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Find link is a tool written by Edward Betts.searching for Columnar jointing 36 found (110 total)
alternate case: columnar jointing
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covers 354 hectares (875 acres). The mountain has basalt cliffs with columnar jointing on the east and south-east sides. A fire lookout tower and a communicationsMonmouth Creek complex (248 words) [view diff] exact match in snippet view article find links to article
The spines are covered by welded breccia close to their bases and columnar jointing extends into the welded sequence. The most elevated lava flows andStrand Fiord Formation (152 words) [view diff] exact match in snippet view article find links to article
Dragon Cliff 300 m (980 ft) tall. The Strand Fiord Formation contains columnar jointing units that are usually 1 to 3 m (3 to 10 ft) in diameter. The formationPo Pin Chau (290 words) [view diff] exact match in snippet view article find links to article
the High Island Reservoir, the island is known for its hexagonal columnar jointing. The island was originally a cape connected to the mainland, but eventuallyOstrzyca (hill) (452 words) [view diff] exact match in snippet view article
formed during the Neogene period, featuring distinctive hexagonal columnar jointing in its basanite rock. The hill is protected within the Ostrzyca ProboszczowickaPilot Rock (Oregon) (1,001 words) [view diff] exact match in snippet view article
million-year-old Siskiyou Mountains nearby. Pilot Rock has a large amount of columnar jointing, created when the magma cooled. The joints are tilted about 20 degreesSt. Francois Mountains (1,344 words) [view diff] exact match in snippet view article find links to article
of columnar jointing in igneous rhyolite, the same process that formed Devils Tower in Wyoming and the Giant's Causeway in Ireland. The columnar jointingBlack Sturgeon River (Thunder Bay District) (665 words) [view diff] exact match in snippet view article
Fault, which runs north–south. The valley also contains sills with columnar jointing which are related to the Midcontinent Rift System. The Black SturgeonGlass House Mountains National Park (2,402 words) [view diff] exact match in snippet view article find links to article
alkali rhyolite. This mountain also has good examples of vertical columnar jointing and has caves. There is evidence of early 1950s quarrying activitiesTrap rock (843 words) [view diff] exact match in snippet view article find links to article
Research. vol. 86, no. 1–4, pp. 93–96 Spry, A. (1962). "The origin of columnar jointing, particularly in basalt flows". Journal of the Geological SocietyBombo Headland Quarry Geological Site (959 words) [view diff] exact match in snippet view article find links to article
contrasts markedly with the grey-black latite, which displays spectacular columnar jointing elsewhere in the quarry. Isolated columns 5–5 meters in height standDevils Postpile National Monument (1,587 words) [view diff] exact match in snippet view article find links to article
evenly, which is why the columns are so long and so symmetrical. Columnar jointing occurs when certain types of lava contract while cooling. A glacierGeology of the Isle of Skye (1,170 words) [view diff] exact match in snippet view article find links to article
lavas to form sills that are up to 90m thick. They commonly display columnar jointing, such as in the upper part of the Kilt Rock at Staffin. During thisList of rock formations of New Zealand (475 words) [view diff] exact match in snippet view article find links to article
Wave erosion, volcanic rock and sea stacks Rock spires with basaltic columnar jointing 45°55′50″S 170°26′00″E / 45.93056°S 170.43333°E / -45.93056; 170Lokitaung (892 words) [view diff] exact match in snippet view article find links to article
is up to 50 meters (160 ft) thick, and many display characteristic columnar jointing. The basalts have been dated to 36 million years ago, though it isFingal's Cave (1,256 words) [view diff] exact match in snippet view article find links to article
Stephen W. Morris (2009) "Nonequilibrium scale selection mechanism for columnar jointing". PNAS 2009 106 (2) 387–392 Haswell-Smith (2004) p. 124 "Show CavesDhinodhar Hills (876 words) [view diff] exact match in snippet view article find links to article
near- vertical, dike-like tabular intrusions with well-developed columnar jointing, and a roughly circular ring breached to the east, enclosing a pronouncedNephelinite (647 words) [view diff] exact match in snippet view article find links to article
Columnar jointing in melilite-olivine nephelinite from the Southern Balcones volcanic and intrusive rocks, Uvalde County, Texas.North Mountain (Nova Scotia) (561 words) [view diff] exact match in snippet view article
201 million year old sequence of tholeiitic basalts, which contains columnar jointing. The basalts also extend under the Bay of Fundy and parts of it areFifes Peaks Formation (408 words) [view diff] exact match in snippet view article find links to article
The flows are a few feet to several tens of feet (3–20 m), with columnar jointing common in the thicker flows. The breccias in the Fifes Peak are mostlyHigh Island (Hong Kong) (1,271 words) [view diff] exact match in snippet view article
Volcanic tuffs with hexagonal columnar jointing at East Dam of High Island Reservoir.Albuquerque volcanic field (864 words) [view diff] exact match in snippet view article find links to article
pond that consists of a massive gray basalt with weakly developed columnar jointing occupies the crater of Vulcan. Radial, sinuous lava tubes 8 to 20 inchesVulcan (inactive volcano) (684 words) [view diff] exact match in snippet view article
pond that consists of a massive gray basalt with weakly developed columnar jointing occupies the crater of Vulcan. Radial, sinuous lava tubes 8 to 20Canadian Cascade Arc (7,436 words) [view diff] exact match in snippet view article find links to article
The spines are covered by welded breccia close to their bases and columnar jointing extends into the welded sequence. The most elevated lava flows andMount Nelson, Tasmania (2,078 words) [view diff] exact match in snippet view article find links to article
cooling of this magma beneath the surface created the characteristic columnar jointing and durable rock formations seen across the region, including at MountMilbanke Sound Group (1,514 words) [view diff] exact match in snippet view article find links to article
contains one or more basaltic lava flows that form well-preserved columnar jointing. Like other volcanic deposits in the Milbanke Sound Group, littleTessellation (6,057 words) [view diff] exact match in snippet view article find links to article
tessellation of irregular convex polygons. Basaltic lava flows often display columnar jointing as a result of contraction forces causing cracks as the lava coolsWatchung Mountains (4,159 words) [view diff] exact match in snippet view article find links to article
composed of extrusive igneous trap rock, they display characteristic columnar jointing and stacked lava flows. These features are readily noted along theBidar district (4,662 words) [view diff] exact match in snippet view article find links to article
characteristics of spherical weathering leaving massive hard cores. Columnar jointing is predominantly developed in these rocks, besides horizontal jointsVilama (caldera) (3,761 words) [view diff] exact match in snippet view article
section is poorly welded and light brown to pink in colour, with columnar jointing. A transitional area separates the 1–50 metres (3 ft 3 in – 164 ftArctic Cordillera (5,049 words) [view diff] exact match in snippet view article find links to article
Heiberg Island at Dragon Cliff, 300 m (980 ft) tall. It contains columnar jointing units that are usually 1 to 3 m (3 ft 3 in to 9 ft 10 in) in diameterUlu Peninsula (2,975 words) [view diff] exact match in snippet view article find links to article
(BAS) geological work on the island, 1985–86, from the excellent columnar jointing exhibited on the feature. 63°58′S 58°04′W / 63.967°S 58.067°W /Mount Cayley volcanic field (6,998 words) [view diff] exact match in snippet view article find links to article
to the bottom of some lavas, indicating subaqueous volcanism, the columnar jointing at the edges of the lavas, indicating rapid cooling, and the absenceEigg (8,708 words) [view diff] exact match in snippet view article find links to article
eroded into the older lavas during the Eocene epoch. It displays columnar jointing formed as the lava cooled. In the north of the island are a seriesVisokoi Island (2,294 words) [view diff] exact match in snippet view article find links to article
years by an alternation of pyroclastic rocks and lava flows with columnar jointing, cut by dykes, building one volcano. Later the eastern cinder conesMount Churchill (8,435 words) [view diff] exact match in snippet view article find links to article
mostly covered by ice hundreds of meters thick, but lava flows with columnar jointing and tephra deposits form outcrops, indicating that Mount Churchill