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searching for Mafic 117 found (1126 total)

alternate case: mafic

Volcanogenic massive sulfide ore deposit (2,537 words) [view diff] exact match in snippet view article find links to article

volcanics. The hangingwall to the deposit is broadly related to a more mafic sequence of volcanic rocks, either andesite (examples being Whim Creek &

Grayson Glades Natural Area Preserve (193 words) [view diff] exact match in snippet view article find links to article

Virginia. Its centerpiece is an extremely rare wetland type known as a "mafic fen", which are situated upon soils rich in magnesium and fed by springs

Nephelinite (647 words) [view diff] exact match in snippet view article find links to article

Silica-undersaturated, mafic igneous rocks are much less abundant than silica-saturated and oversaturated basalts. Genesis of the less common mafic rocks such as

Lava (6,577 words) [view diff] exact match in snippet view article find links to article

into four chemical types based on silica content: felsic, intermediate, mafic, and ultramafic. Felsic or silicic lavas have a silica content greater than

Cryptocrystalline (161 words) [view diff] exact match in snippet view article find links to article

cryptocrystalline groundmass as distinguished from pure obsidian (felsic) or tachylyte (mafic), which are natural rock glasses. Agate and onyx are examples of cryptocrystalline

List of rock types (2,187 words) [view diff] exact match in snippet view article find links to article

feldspar granite – Type of igneous rock rich in alkali feldspar Anorthosite – Mafic intrusive igneous rock composed predominantly of plagioclase Aplite – Fine-grained

Scoria (991 words) [view diff] exact match in snippet view article find links to article

a requirement was added that scoria be black or reddish in color and/or mafic in composition. Scoria differs from pumice, another vesicular volcanic rock

Magma (7,679 words) [view diff] exact match in snippet view article find links to article

into four chemical types based on silica content: felsic, intermediate, mafic, and ultramafic. Felsic or silicic magmas have a silica content greater

Geology of Greenland (616 words) [view diff] exact match in snippet view article find links to article

Paleoproterozoic), during the Ketilidian Orogeny. The Skaergaard intrusion is a layered mafic intrusion in eastern Greenland formed 55 million years ago during the opening

Spinel (1,537 words) [view diff] exact match in snippet view article find links to article

together. The spinel petrogenesis in mafic magmatic rocks is strongly debated, but certainly results from mafic magma interaction with more evolved magma

Geology of Greenland (616 words) [view diff] exact match in snippet view article find links to article

Paleoproterozoic), during the Ketilidian Orogeny. The Skaergaard intrusion is a layered mafic intrusion in eastern Greenland formed 55 million years ago during the opening

Granophyre (383 words) [view diff] exact match in snippet view article find links to article

product of fractional crystallization of a parent mafic magma, or by melting of rocks into which the mafic magma was emplaced, or by a combination of the

Steep structure (373 words) [view diff] exact match in snippet view article find links to article

subvertical attitude. These structures commonly host plug- and dyke-like mafic- to intermediate cupriferous bodies of the Koperberg Suite in their central

Tuff (4,848 words) [view diff] exact match in snippet view article find links to article

resemblance to the modern ash beds of Cotopaxi, Krakatoa, and Mont Pelé. Mafic volcanism typically takes the form of Hawaiian eruptions that are nonexplosive

Geology of Burundi (309 words) [view diff] exact match in snippet view article find links to article

intrude the rocks from the Burundian Supergroup along a 350 km zone of mafic and ultramafic intrusions. Just like Tanzania, the Malagarasian Supergroup

Komatii Formation (229 words) [view diff] exact match in snippet view article find links to article

minor mafic lavas and small intrusions. The lower part of the Komatii Formation is dominantly ultramafic, while the upper part is dominantly mafic. Greenstone

Temagami Greenstone Belt (7,670 words) [view diff] exact match in snippet view article find links to article

Intrusion and Ajax Intrusion, is the most voluminous mafic-ultramafic body in metamorphosed felsic and mafic volcanic rocks of the northern TGB. It is an oval-shaped

Hornfels (2,160 words) [view diff] exact match in snippet view article find links to article

present in each facies depends on the composition of the protolith. For a mafic protolith, the albite-epidote hornfels facies is characterized by albite

Geology of the United States Virgin Islands (664 words) [view diff] exact match in snippet view article find links to article

The geology of the U.S. Virgin Islands includes mafic volcanic rocks, with complex mineralogy that first began to erupt in the Mesozoic overlain and interspersed

Dunite (717 words) [view diff] exact match in snippet view article find links to article

the larger Eocene Skaergaard complex in Greenland. The largest layered mafic intrusions are tens of kilometers in size and almost all are Proterozoic

Magma chamber (1,292 words) [view diff] exact match in snippet view article find links to article

"Petrological constraints on the recycling of mafic crystal mushes and intrusion of braided sills in the Torres del Paine Mafic Complex (Patagonia)" (PDF). Journal

Large igneous province (4,643 words) [view diff] exact match in snippet view article find links to article

variety of mafic igneous provinces with areal extent greater than 100,000 km2 that represented "massive crustal emplacements of predominantly mafic (magnesium-

Musgrave Block (1,412 words) [view diff] exact match in snippet view article find links to article

seven main classes of rocks: Surficial volcanics of c.1050 to 1080 Ma, both mafic (Mummawarrawarra Basalt) and andesitic to rhyolitic (Tollu, Smoke Hill Volcanics)

Geology of Wisconsin (1,109 words) [view diff] exact match in snippet view article find links to article

old and igneous rock such as the granite of the Puritan Quartz Monzonite. Mafic and intermediate metavolcanic rocks together with metasedimentary rocks

Geology of Guyana (661 words) [view diff] exact match in snippet view article find links to article

Major mafic sills and dykes of the Avanavero Suite intrude all of the older rocks, and are part of a Large Igneous Province (LIP). Numerous mafic dykes

Geology of Trinidad and Tobago (508 words) [view diff] exact match in snippet view article find links to article

island are divided into the North Coast Schist, mafic plutonic rocks, the Tobago Volcanic Group and mafic dikes. w, Barr; b., Saunders (7 December 2010)

Río de la Plata Craton (1,174 words) [view diff] exact match in snippet view article find links to article

Piedra Alta mafic dike swarm and the rapakivi granites of Illescas Batholith. The 1790±5 Ma-old Late Palaeoproterozoic Piedra Alta mafic dike swarm was

Kaapvaal Craton (1,290 words) [view diff] exact match in snippet view article find links to article

and consists of trondhjemitic and tonalitic granitic rocks intruded into mafic-ultramafic greenstone. Studies using U-Pb single zircon dating for granitoid

Dharwar Craton (3,535 words) [view diff] exact match in snippet view article find links to article

potassium feldspar than typical TTG gneisses): Greenstone is metamorphosed mafic to ultramafic volcanic rock that formed in volcanic eruptions in the early

Geology of Saint Pierre and Miquelon (336 words) [view diff] exact match in snippet view article find links to article

581 million years ago with felsic and pyroclastic flows. Together with mafic rocks and andesite, they are evidence of back arc environment. The late

Cordillera Paine (922 words) [view diff] exact match in snippet view article find links to article

"Petrological constraints on the recycling of mafic crystal mushes and intrusion of braided sills in the Torres del Paine Mafic Complex (Patagonia)" (PDF). Journal

Cumulate rock (1,748 words) [view diff] exact match in snippet view article find links to article

on the roofs if anorthite plagioclase is able to float free of a denser mafic melt. Cumulates are typically found in ultramafic intrusions, in the base

Richterite (222 words) [view diff] exact match in snippet view article find links to article

contact metamorphic zones. It also occurs as a hydrothermal product in mafic igneous rocks, and in manganese-rich ore deposits. Localities include Mont-Saint-Hilaire

Akia terrane (881 words) [view diff] exact match in snippet view article find links to article

rocks and mafic-ultramafic intrusions. Supracrustal rocks are largely tholeiitic and calc-alkaline amphibolites formed at ~3.07 Ga. The mafic-ultramafic

Panicum flexile (160 words) [view diff] exact match in snippet view article find links to article

it has a scattered and localized distribution. It is typically found in mafic or calcareous open areas, both wet and dry, particularly associated with

Pyroclastic fall (647 words) [view diff] exact match in snippet view article find links to article

pumice with a darker grey mafic pumice overlying it. These changes represent the increasing vigour of the eruption. The mafic upper part of the deposit

Windimurra intrusion (945 words) [view diff] exact match in snippet view article find links to article

The Windimurra Igneous Complex is a giant ultramafic-mafic intrusion emplaced within the Yilgarn craton of Western Australia. It is located approximately

Phyllic alteration (347 words) [view diff] exact match in snippet view article find links to article

altered to sericite (a fine-grained white mica) by sericitic alteration, and mafic minerals are replaced by quartz. Tourmaline may appear as radiating aggregate

Mount Shiretoko (114 words) [view diff] exact match in snippet view article find links to article

Shiretoko Peninsula in Hokkaidō, Japan. The mountain consists of non-alkali mafic rocks and andesite. Mount Shiretoko is in Shari town, in Shari District

Pomerape (644 words) [view diff] exact match in snippet view article find links to article

this time. Pomerape is associated with an adventive vent that has erupted mafic magmas. The main cone was last active 106,000 +- 7,000 years ago, the adventive

Otake (Nakanoshima) (190 words) [view diff] exact match in snippet view article

summit crater produced an ash cloud. The rock of the mountain is non-alkali mafic rock produced in the last 18,000 years. Sulphur mining took place on the

Talc carbonate (618 words) [view diff] exact match in snippet view article find links to article

metamorphism on the western flank. Carbon dioxide has less severe impacts on mafic, felsic and rocks of other composition, such as carbonate rocks, chemical

Otake (Nakanoshima) (190 words) [view diff] exact match in snippet view article

summit crater produced an ash cloud. The rock of the mountain is non-alkali mafic rock produced in the last 18,000 years. Sulphur mining took place on the

Oshima (Hokkaido) (480 words) [view diff] exact match in snippet view article

close to 2,000 meters (6,600 ft) from the sea floor. The island consists of mafic alkali and non-alkali volcanic rock, less than 18,000 years old. On the

Red Hill Syenite (1,620 words) [view diff] exact match in snippet view article find links to article

and 5-15% mafic minerals. The feldspar has coarse patch-type exsolution, and the mafic minerals are both ferrohastingite and biotite. The mafic minerals

Bashagard Mountains (191 words) [view diff] exact match in snippet view article find links to article

and Sistan and Baluchestan provinces. Made of ophiolite, an assemblage of mafic igneous rocks representing remnants of former oceanic crust, the mountain

Essexite (361 words) [view diff] exact match in snippet view article find links to article

favors the production of orthoclase, which is usually absent from most mafic igneous rocks. Essexite can be considered as an alkali gabbro or monzodiorite

Meteorite weathering (469 words) [view diff] exact match in snippet view article find links to article

replaced), but no alteration of silicates. W5: beginning alteration of mafic silicates, mainly along cracks. W6: heavy replacement of silicates by clay

Epilobium nivium (771 words) [view diff] exact match in snippet view article find links to article

there is essentially no soil development. E. nivium is known to grow on mafic igneous rock, and it may be entirely restricted to such substrate. The Snow

Tuhua orogeny (208 words) [view diff] exact match in snippet view article find links to article

terrane, weakly metamorphosed greenschist and sub-greenschist rocks, Cambrian mafic volcanics, Ordovician limestone and Silurian clastic rocks were all deformed

Carolina terrane (1,477 words) [view diff] exact match in snippet view article find links to article

later Paleozoic plutons. The protoliths of the meta-igneous rocks include mafic, intermediate, and felsic volcanics and plutons. These rocks underwent at

Ashe Metamorphic Suite (785 words) [view diff] exact match in snippet view article find links to article

such as metagreywackes, muscovite schist, quartzite, graphitic schist, and mafic rocks such as amphibolite and hornblende gneiss. The unit is overwhelmingly

Trifolium virginicum (173 words) [view diff] exact match in snippet view article find links to article

Virginia and Virginia in the United States, growing mainly on the Piedmont mafic barren, with Kate's Mountain as the type locality. Trifolium virginicum

Tuhua orogeny (208 words) [view diff] exact match in snippet view article find links to article

terrane, weakly metamorphosed greenschist and sub-greenschist rocks, Cambrian mafic volcanics, Ordovician limestone and Silurian clastic rocks were all deformed

Hatcher Pass (2,062 words) [view diff] exact match in snippet view article find links to article

the mafic unit, but not in the 67Ma quartz monzonite, and in only one instance in the Tertiary sediments. The gold occurrences in the schist, mafic unit

Greenstone (219 words) [view diff] exact match in snippet view article find links to article

sandstone and a geologic formation in the UK Greenschist, metamorphosed mafic volcanic rock and a metamorphic facies Elvan, a quartz-porphyry found in

Quercus austrina (437 words) [view diff] exact match in snippet view article find links to article

river bottoms, and flatwoods, and generally over basic substrates, such as mafic rocks, shells, or calcareous sediment. Quercus austrina specimens have often

Ma Wan (2,499 words) [view diff] exact match in snippet view article find links to article

fine volcanic ash are found in the far north of the island. The contained mafic minerals are biotite and amphibole. The tuff contains mostly quartz and

List of ophiolites (1,337 words) [view diff] exact match in snippet view article find links to article

Ophiolites are sequences of mafic to ultramafic rock generally believed to represent ancient oceanic lithosphere. They are distributed all across the

Farmington Gabbro (863 words) [view diff] exact match in snippet view article find links to article

Laurentia. These plutons date back to around 400 Ma, consisting of ultramafic, mafic, and felsic rocks but the Farmington Gabbro is the only pluton on the northwest

McMurdo Volcanic Group (555 words) [view diff] exact match in snippet view article find links to article

1007/BF02597798. S2CID 128623239. Lanyon, Ruth (1994). Mantle reservoirs and mafic magmatism associated with the break-up of Gondwana: the Balleny Plume and

Ungava magmatic event (136 words) [view diff] exact match in snippet view article find links to article

Senneterre dikes of Quebec and the Nipissing sills of Ontario. 2000 Ma large mafic magmatic events "Regional Metallogeny Large Igneous Provinces in Canada

Permian Basin (North America) (7,016 words) [view diff] exact match in snippet view article

The entire area is also underlain by layered mafic rocks, which are thought to be a part of Pecos Mafic Igneous Suite, and extends 220 miles (360 km)

Pluton emplacement (1,352 words) [view diff] exact match in snippet view article find links to article

particular pluton ascent mechanism is difficult. Magmatic foliations and mafic enclaves usually indicate radially increasing strains normal to the pluton

Viola subsinuata (179 words) [view diff] exact match in snippet view article find links to article

and Great Lakes area. Its natural habitat is in loamy forests, often over mafic or calcareous substrates. Viola subsinuata is a perennial that produces

List of lunar meteorites (313 words) [view diff] exact match in snippet view article find links to article

001 2002 262 feldspathic regolith breccia SaU 169 2002 206 KREEP-rich, mafic impact-melt breccia & regolith breccia LAP 02205/02224/02226/02436/03632/04841

Asunción Rift (170 words) [view diff] exact match in snippet view article find links to article

Villarrica to the Ybytyruzú Mountains. Druecker, M.D.; Gay, Jr., S.P., Mafic Dyke Swarms Associated with Mesozoic Rifting in Eastern Paraguay, South

Mount Tomuraushi (Daisetsuzan) (236 words) [view diff] exact match in snippet view article

mountains in Japan. The peak of Mount Tomuraushi consists of mainly non-alkalai mafic rock from the Pleistocene to the Holocene. On July 16, 2009, eight members

Passive margin (2,902 words) [view diff] exact match in snippet view article find links to article

large igneous provinces, which are characterised by massive emplacements of mafic extrusives and intrusive rocks over very short time periods. Volcanic margins

Striped Mountain (433 words) [view diff] exact match in snippet view article find links to article

granodiorite intruded within Striped pluton, which is composed of fine-grained mafic granodiorite. According to the Köppen climate classification system, Striped

Sebago Lake State Park (273 words) [view diff] exact match in snippet view article find links to article

Maine at Farmington (2017). "Field Relations, Petrography and Provenance of Mafic Dikes, Western Maine". New England Intercollegiate Geological Conference

Murrí Fault (341 words) [view diff] exact match in snippet view article find links to article

of the Western Ranges of the Colombian Andes. The fault puts Cretaceous mafic igneous rocks to the east in contact with Tertiary marine sedimentary rocks

Pulak Sengupta (794 words) [view diff] exact match in snippet view article find links to article

Uttam K.; Sengupta, Pulak; Sengupta, Pranesh (2007). "Phase relations in mafic dykes and their host rocks from Kondapalle, Andhra Pradesh, India: Implications

Cerro Bola (1,053 words) [view diff] exact match in snippet view article find links to article

coastal sage scrub, mafic chaparral, and gabbroic and metavolcanic soils that support numerous endemic plant species. The mafic chaparral on the Cerro

Hydrothermal mineral deposit (4,223 words) [view diff] exact match in snippet view article find links to article

contact aureole of a pluton. Volcanogenic massive sulfide deposits form when mafic magma at depth, (perhaps a few kilometers beneath the surface), acts as

Hot Lake (Washington) (253 words) [view diff] exact match in snippet view article

Oroville, Washington. Occupying a small, glacially-carved basin surrounded by mafic magnesian rocks, dolomites, and shales containing deposits of pyrite and

Bell-Irving volcanic district (200 words) [view diff] exact match in snippet view article find links to article

Bell-Irving volcanic district, northwestern British Columbia: new examples of mafic alpine glaciovolcanism from the northern Cordilleran volcanic province.

Hydrothermal mineral deposit (4,223 words) [view diff] exact match in snippet view article find links to article

contact aureole of a pluton. Volcanogenic massive sulfide deposits form when mafic magma at depth, (perhaps a few kilometers beneath the surface), acts as

Attappadi taluk (2,809 words) [view diff] exact match in snippet view article find links to article

reported in this area. The bands and layers of ultramafics and mafic rocks (Ultramafic and mafic rocks represented by meta pyroxenite, talc-tremolite-actinolite

Rock flour (1,265 words) [view diff] exact match in snippet view article find links to article

Queensland. Thomas J. Goreau who wrote the book Geotherapy believed that mafic/ultra-mafic rock flour had a powerful effect in restoring trace minerals to soils

Mount Maru (Kamishihoro-Shintoku) (228 words) [view diff] exact match in snippet view article

flank shows non-alkaline mafic volcanic rock from the early to middle Miocene. The mountain is topped with non-alkaline mafic rock from the middle Pleistocene

S-type granite (2,607 words) [view diff] exact match in snippet view article find links to article

the mafic S-type Strathbogie Granite. Figure 2b. Plane polarized light photomicrograph showing garnet and biotite in sample CV-126 from the mafic S-type

Terry Plank (1,819 words) [view diff] exact match in snippet view article find links to article

Nature 07/2013 Volume: 499 p.: 70-73 (2013) 0.1038/nature12292 Why do mafic arc magmas contain ~4 wt% water on average? Plank, T., Kelley, K.A., †Zimmer

Timeline of natural history (7,755 words) [view diff] exact match in snippet view article find links to article

and consists of trondhjemitic and tonalitic granitic rocks intruded into mafic-ultramafic greenstone – the oldest granitoid phase recognised so far. c

Phenocryst (1,155 words) [view diff] exact match in snippet view article find links to article

Brewer, T. S. (2000). "Remobilization of andesite magma by intrusion of mafic magma at the Soufriere Hills Volcano, Montserrat, West Indies". Journal

Chile Ridge (4,012 words) [view diff] exact match in snippet view article find links to article

contains garnet. Along the axis in the Chile ridge, magmatic rocks which are mafic to ultramafic are emplaced. For instance, the Taitao ophiolite complex is

Northwest Africa 7325 (600 words) [view diff] exact match in snippet view article find links to article

G.; Herd, C. D. K.; Conrey, R. M.; Ralew, S. (March 2013). "Ungrouped Mafic Achondrite Northwest Africa 7325: A Reduced, Iron-Poor Cumulate Olivine

Geology of Yukon (2,164 words) [view diff] exact match in snippet view article find links to article

terrane is made up of Cambrian-Ordovician quartz sandstone, limestone and mafic volcanic rocks, Ordovician-Silurian carbonates, siltstone and calcareous

Strawberry Mountain Wilderness (497 words) [view diff] exact match in snippet view article find links to article

a Permian-age ophiolite complex consisting of a sequence of ultramafic, mafic, and silicic igneous rocks, interpreted to have formed as deep crustal rocks

Elvan (401 words) [view diff] exact match in snippet view article find links to article

A simplified map showing the granite batholiths and mafic igneous rocks of Cornwall

Lithology (1,885 words) [view diff] exact match in snippet view article find links to article

An ultramafic mantle xenolith with olivine and pyroxene (altering brown to iddingsite) in a matrix of mafic basalt scoria

Elephant Rocks State Park (690 words) [view diff] exact match in snippet view article find links to article

55 percent alkali feldspar, 40 percent quartz, and less than 5 percent mafic minerals. The Graniteville Granite is a pluton formed 1.4 billion years

Geology of Lithuania (1,043 words) [view diff] exact match in snippet view article find links to article

Metamorphic rocks typically reach amphibolite facies and ultramafic or mafic intrusions are common. An angular unconformity separates weathered basement

Cerros Negros de Jama (573 words) [view diff] exact match in snippet view article find links to article

activity to the main belt of the Central Volcanic Zone. In the region, mafic volcanism has been active since the Oligocene. Most volcanism in the area

Geology of Australia (3,580 words) [view diff] exact match in snippet view article find links to article

Tyennan Block. Late Mesoproterozoic igneous events include: the Giles Complex mafic-ultramafic intrusions in the Musgrave Block at ~1080 Ma widespread sills

Rainmaker Mountain (600 words) [view diff] exact match in snippet view article find links to article

intrusion made of extrusive igneous rocks having alkali feldspar and minor mafic minerals as the main components and a fine-grained, generally porphyritic

Geology of Uruguay (1,188 words) [view diff] exact match in snippet view article find links to article

Civetta, Lucia; Petrini, Riccardo (1995). "Petrology of the Proterozoic mafic dyke swarms of Uruguay and constraints on their mantle source composition"

Burroughs Mountain (876 words) [view diff] exact match in snippet view article find links to article

a felsic lower unit (100 m thick) overlain sharply by a more mafic upper unit. The mafic upper unit is chemically zoned, becoming slightly more evolved

Keiko Hattori (2,965 words) [view diff] exact match in snippet view article find links to article

fluid-mobile elements in the mantle, and the provision of evidence that oxidized mafic magmas bring base metals and sulfur from the mantle to form giant copper

Geology of North Carolina (651 words) [view diff] exact match in snippet view article find links to article

in the Blue Ridge province and the Sauratown Mountains. The Bakersville mafic dike swarm from 734 million years ago along with the peralkaline granites

Sydney Basin (1,626 words) [view diff] exact match in snippet view article find links to article

migration of Australia, and implications for the generation of east Australian mafic magmatism. Geosphere, 13(2), 460–481. Wilshire: Wilshire, H.G., The Prospect

Mount Jefferson (Oregon) (6,630 words) [view diff] exact match in snippet view article

a number of andesitic and dacitic volcanoes, which are unlike the many mafic (rich in magnesium and iron) shield volcanoes within the stretch. North

Dedham Granite (886 words) [view diff] exact match in snippet view article find links to article

protolith, while the intermediate members show a mixing of granitic magma and mafic magma. The rock has been used for many notable building projects in and

Congo Craton (1,259 words) [view diff] exact match in snippet view article find links to article

interval and resulted in a 3,000–4,000 m (9,800–13,100 ft) thick sequence. Mafic-felsic magma sequences (6,000 m (20,000 ft) thick) on the western edge of

Cambrian–Ordovician extinction event (792 words) [view diff] exact match in snippet view article find links to article

Richard E. (March 2021). "Identification of a new 485 Ma post-orogenic mafic dyke swarm east of the Pan-African Saldania-Gariep Belt of South Africa"

Dun Mountain-Maitai Terrane (747 words) [view diff] exact match in snippet view article find links to article

Vegetation change from the Dun Mountain Ophiolite Belt ultramafic rock (left) to mafic and sedimentary rock on the right.

Fluoro-richterite (182 words) [view diff] exact match in snippet view article find links to article

County, California, it occurs with a variety of rare minerals in an alkaline mafic diatreme. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical

Charnockite (1,053 words) [view diff] exact match in snippet view article find links to article

different types, some being felsic and rich in quartz and microcline, others mafic and full of pyroxene and olivine, while there are also intermediate varieties

Glossary of meteoritics (2,091 words) [view diff] exact match in snippet view article find links to article

Rumuruti chondrite – a group of chondrites. Shergottite – igneous rocks of mafic to ultramafic lithology, named after a meteorite that fell at Sherghati

Rainbow Vent Field (2,943 words) [view diff] exact match in snippet view article find links to article

extremely low with much H2 and CH4 generated from water interactions with mafic igneous rocks. Though not actively considered for development, Rainbow lies

Tectonic–climatic interaction (4,780 words) [view diff] exact match in snippet view article find links to article

igneous rock. Following Bowen's research, the magma will crystallize a mafic igneous rock prior to a felsic igneous rock. As this crystallization process

Magmatism (1,035 words) [view diff] exact match in snippet view article find links to article

continental crust. Large igneous provinces (LIPs) are defined as "mainly mafic (+ ultramafic) magmatic provinces with an areal extent >0.1 Mkm2 and igneous

Phreatomagmatic eruption (1,723 words) [view diff] exact match in snippet view article find links to article

Journal of Volcanology and Geothermal Research. Models and products of mafic explosive activity. 180 (2): 225–245. Bibcode:2009JVGR..180..225C. doi:10

Kambalda type komatiitic nickel ore deposits (2,847 words) [view diff] exact match in snippet view article find links to article

model, in Buchanan, D.L., and Jones, M.J. (Editors), Sulphide Deposits in Mafic and Ultramafic Rocks, Institution of Mining and Metallurgy, London, p. 70–80

Mocksville, North Carolina (1,142 words) [view diff] exact match in snippet view article find links to article

February 12, 2011. Retrieved April 23, 2011. Esawi, E. K. (January 2012). "The mafic and ultramafic rocks of the Mocksville complex of Central North Carolina:

Sperrylite (867 words) [view diff] exact match in snippet view article find links to article

identified in Finland from sulfide deposits generally associated with layered mafic-ultramafic complexes. Sperrylite belongs to the pyrite group of minerals

Iron oxide copper gold ore deposits (2,879 words) [view diff] exact match in snippet view article find links to article

IOCG formation, represented by low to medium grade metamorphism, and/or mafic intrusions, and/or I- or A-type granitoids Host stratigraphy is relatively