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searching for The Zircons 20 found (21 total)

Mauritia (microcontinent) (529 words) [view diff] case mismatch in snippet view article

9-million-year-old basalt that constitutes the oldest formations on the island. The zircons are interpreted to have been brought up from buried continental crust

Suining Formation (262 words) [view diff] case mismatch in snippet view article find links to article

challenged, with suggestions that the age of the zircons was affected by metamorphism, and that the zircons clustering around 145 Ma near the Jurassic Cretaceous

Jack Hills (977 words) [view diff] case mismatch in snippet view article find links to article

unit, the zircons are sourced from pre-existing rocks which were then weathered and the resultant sediment deposited as sedimentary rock. The zircons and

Hadean (3,049 words) [view diff] case mismatch in snippet view article find links to article

that the zircons could have been formed by meteorite impacts. The direct evidence of Hadean geology from zircons is limited, because the zircons are largely

Oldest dated rocks (2,148 words) [view diff] case mismatch in snippet view article find links to article

to Simon Wilde of the Institute for Geoscience Research in Australia. The zircons from the Western Australian Jack Hills returned an age of 4.404 billion

Mount Simon Sandstone (619 words) [view diff] case mismatch in snippet view article find links to article

sandstone, ranging in length, with the average being .1-.2mm. The color of the zircons was colorless to pink, and some were oxidized, leaving a reddish-orange

Napier Mountains (1,161 words) [view diff] case mismatch in snippet view article find links to article

Archean. Radiometrically dated to as old as 3.8 billion years, some of the zircons collected from the orthogneisses of Mount Sones are among the oldest

Paleontology in New York (2,004 words) [view diff] case mismatch in snippet view article find links to article

NY State geologists are making startling discoveries by U-Pb dating the zircons found in ancient rock, dating the layers of NY rock formations back to

Imperial Crown of Austria (1,504 words) [view diff] case mismatch in snippet view article find links to article

the circlet are precious stones such as spinels, zircons, and pearls. The zircons are cut in such a way that they are flat at the front. Preparing precious

Auerlite (287 words) [view diff] case mismatch in snippet view article find links to article

which it is often seen implanted. As this mineral was found while mining the zircons necessary to supply the demand caused by the invention of the system

Siberian Traps (2,618 words) [view diff] case mismatch in snippet view article find links to article

in zircon over time, was then used to accurately determine the age of the zircons found in the Siberian Traps. Eliminating the variability due to lead

The Camelots (doo wop group) (243 words) [view diff] exact match in snippet view article

"Street-corner groups and some better-known entities obliged, and soon acts like the Zircons, the Camelots, the Holidays, ... Still, the phenomenon became a counterbalance

Amy Sedaris (3,660 words) [view diff] exact match in snippet view article find links to article

Channel action fantasy series Star vs. the Forces of Evil (2016–2019), the Zircons in the Cartoon Network coming-of-age series Steven Universe (2017), and

Mount Elkins (1,725 words) [view diff] case mismatch in snippet view article find links to article

Archean Eon. Radiometrically dated to as old as 3.8 billion years, some of the zircons collected from the orthogneisses of the Napier Complex are among the

Hadean zircon (3,785 words) [view diff] case mismatch in snippet view article find links to article

zircons from the Erawondoo Hill discovery site conglomerate generally show the zircons to have a bimodal age distribution with major peaks at c. 3.4 and 4.1

Titanium in zircon geothermometry (2,296 words) [view diff] case mismatch in snippet view article find links to article

crystal with an ion microprobe. For this, the chemical composition of the zircons is measured using secondary ion mass spectrometry. The sample is bombarded

Grenville Province (1,885 words) [view diff] case mismatch in snippet view article find links to article

evidence that the three terranes were all continuous at one point due to the zircons contained within it matching the Central Metasedimentary Belt and the

Timeline of Cretaceous–Paleogene extinction event research (12,560 words) [view diff] case mismatch in snippet view article find links to article

boundary in Colorado, Haiti, and the Chicxulub crater. They found that the zircons first crystallized 545 million years ago, and experienced a loss of lead

South China Craton (7,502 words) [view diff] case mismatch in snippet view article find links to article

unexposed Archean basement. This idea is challenged by the fact that the zircons are oval in shape. They were possibly transported a long distance from

Ciomadul (6,480 words) [view diff] case mismatch in snippet view article find links to article

rocks difficult. These include amphibole, biotite, feldspar and zircon. The zircons formed almost continuously over hundred thousands of years within Ciomadul's