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Longer titles found: Archean Soundtrack (view), Archean felsic volcanic rocks (view), Archean life in the Barberton Greenstone Belt (view), Archean subduction (view), Archeanassa (view), Eoarchean (view), Neoarchean (view), Paleoarchean (view), Eoarchean geology (view), Mesoarchean (view)

searching for Archean 64 found (1120 total)

alternate case: archean

Shield (geology) (951 words) [view diff] no match in snippet view article

A shield is a large area of exposed Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. These rocks are

Muthapudupet (664 words) [view diff] exact match in snippet view article find links to article

Recent alluvium, with little or no exposure of rocks, most formations being Archean and tertiary sediments. Alluvial deposits of thickness of 28 m (92 ft)

Blake River Megacaldera Complex (443 words) [view diff] no match in snippet view article find links to article

The Blake River Megacaldera Complex is a giant subaqueous caldera cluster or a nested caldera system that spans across the Ontario–Quebec border in Canada

23S ribosomal RNA (976 words) [view diff] exact match in snippet view article find links to article

long (in E. coli) component of the large subunit (50S) of the bacterial/archean ribosome and makes up the peptidyl transferase center (PTC). The 23S rRNA

Klerksdorp sphere (1,797 words) [view diff] exact match in snippet view article find links to article

Gondwana Research, 84, pp.131-150. Lindsay, J. F., 2007, Was There a Late Archean Biospheric Explosion? Astrobiology. vol. 8, pp. 823-839. Lanham, A., 2004

Utkal Plains (505 words) [view diff] exact match in snippet view article find links to article

alluvium (from about 65 to 2.6 million years ago) with patches of ancient Archean gneiss and sandstone (from about 4 billion to 2.5 billion years ago), the

Misema Caldera (223 words) [view diff] no match in snippet view article find links to article

The Misema Caldera is a 2,704-2,707 million year old caldera in Ontario and Quebec, Canada. It is the caldera that forms the Blake River Megacaldera Complex

Vent DNA polymerase (60 words) [view diff] exact match in snippet view article find links to article

Vent polymerase is a thermostable archean DNA polymerase used for the polymerase chain reaction. It was isolated from the thermophile Thermococcus litoralis

Tectonic evolution of the Aravalli Mountains (2,358 words) [view diff] exact match in snippet view article find links to article

subdivisions of rocks constitute the stratigraphy of the mountain range, with the Archean Bhilwara Gneissic Complex basement being the lowest strata, followed by

Great Lakes tectonic zone (3,741 words) [view diff] exact match in snippet view article find links to article

400 km (870 mi) long, and separates the older Archean gneissic terrane to the south from younger Late Archean greenstone-granite terrane to the north. The

Meadowbank Gold Mine (385 words) [view diff] exact match in snippet view article find links to article

was Agnico Eagle’s first Low Arctic mine. Discoveries of gold-containing Archean greenstone in the Baker Lake region were made in the 1980s. Asamera Minerals

Samarium–neodymium dating (1,869 words) [view diff] exact match in snippet view article find links to article

Nd evolution vs. time diagram, DePaolo and Wasserburg determined that Archean rocks had initial Nd isotope ratios very similar to that defined by the

Fox River Belt (55 words) [view diff] no match in snippet view article find links to article

The Fox River Belt is a 300 km (186 mi) long and 10 km (6 mi) to 30 km (19 mi) wide Paleoproterozoic geologic feature located in northern Manitoba, Canada

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

the Yangtze Block, no Archean outcrop and basement are identified in the Cathaysia Block. However, the finding of Late Archean detrital zircons led scientists

Hunter Mine caldera (71 words) [view diff] no match in snippet view article find links to article

The Hunter Mine caldera is a caldera complex in the North Volcanic Zone of the Abitibi greenstone belt in Ontario and Quebec, Canada. It is located at

Melville Peninsula (404 words) [view diff] exact match in snippet view article find links to article

J. R. Structure and Metamorphism of the Aphebian Penrhyn Group and Its Archean Basement Complex in the Lyon Inlet Area, Melville Peninsula, District of

Wopmay orogen (850 words) [view diff] exact match in snippet view article find links to article

terrane (north of the Hottah Lake), a continental magmatic arc, and the Archean Slave Craton at about 1.88 Ga (billion years). The collision lead to the

Voronezh Massif (284 words) [view diff] exact match in snippet view article find links to article

the western (Kursk), characterized by the predominant distribution of Archean rocks, among which Lower Proterozoic deposits are observed only in narrow

India–Mauritania relations (946 words) [view diff] exact match in snippet view article find links to article

Government. Archean Group became the first Indian company to begin commercial mining of phosphates in Mauritania in November 2010. Archean operates in

Snowbird Tectonic Zone (466 words) [view diff] no match in snippet view article find links to article

The Snowbird Tectonic Zone (STZ) is a geological structure in the western Canadian Shield which forms a geophysical boundary between the Hearne Craton

Rayner orogeny (74 words) [view diff] no match in snippet view article find links to article

The Rayner orogeny was a mountain building that thickened the early continental crust (the cratonic nucleus) of what is now East Antarctica 3.5 billion

Geology of the Central African Republic (697 words) [view diff] exact match in snippet view article find links to article

Southern CAR is part of the Congo Craton, a stable landmass dating to the Archean that was once fused with the Sao Francisco Craton until the opening of

Kalahari Craton (494 words) [view diff] exact match in snippet view article find links to article

Retrieved 11 August 2018. Zeh, A.; Gerdes, A.; Barton Jr, J. M. (2009). "Archean accretion and crustal evolution of the Kalahari Craton—the zircon age and

Ungava Peninsula (708 words) [view diff] exact match in snippet view article find links to article

The region is composed of Archean rocks (ca. 2.7–2.9 Ga) from the Douglas Harbour Domain (see Superior Craton). The Archean rocks are overlain by Paleoproterozoic

List of tectonic plates (3,044 words) [view diff] exact match in snippet view article find links to article

Rae Craton – Archean craton in northern Canada north of the Superior Craton (Canada) Sask Craton (Canada) Sclavia Craton – Late Archean supercraton (Canada)

Rhenium–osmium dating (1,061 words) [view diff] exact match in snippet view article find links to article

form. These observations are interpreted to support the theory that the Archean subducted crust contributed Os-isotope rich melts back into the mantle

Suavjärvi (588 words) [view diff] exact match in snippet view article find links to article

massive granite and schist that are indistinguishable in the field from Archean outcrops outside the structure. They also found an absence of evidence

List of Chinese geological formations (74 words) [view diff] no match in snippet view article find links to article

Abag Formation A’ershan Formation A’ertashi Formation A’ergong Formation Dabeigou Formation Jianxing Formation Jiufotang Formation Tuchengzi Formation

Nora Noffke (1,441 words) [view diff] exact match in snippet view article find links to article

Washington, D.C. Geobiology: Microbial Mats in Sandy Deposits from the Archean Era to Today (2010) is a textbook on microbially induced sedimentary structures

List of paleocontinents (1,015 words) [view diff] exact match in snippet view article find links to article

supercratons, microcontinents, continents and supercontinents. For the Archean to Paleoproterozoic cores of most of the continents see also list of shields

Atlantica (426 words) [view diff] exact match in snippet view article find links to article

Atlantica at about 2 Ga. Archean cratons in grey.

Dawn Sumner (1,860 words) [view diff] exact match in snippet view article find links to article

2018-10-03. Sumner, Dawn Y.; Grotzinger, John P. (1996). "Were kinetics of Archean calcium carbonate precipitation related to oxygen concentration?". Geology

Matachewan dike swarm (111 words) [view diff] exact match in snippet view article find links to article

igneous province. Matachewan hotspot Petrogenesis of basalts from the Archean Matachewan Dike Swarm Superior Province of Canada Igneous rock associations

Dawn Sumner (1,860 words) [view diff] exact match in snippet view article find links to article

2018-10-03. Sumner, Dawn Y.; Grotzinger, John P. (1996). "Were kinetics of Archean calcium carbonate precipitation related to oxygen concentration?". Geology

Metaconglomerate (260 words) [view diff] case mismatch in snippet view article find links to article

and LIU, Dunyi, JACK HILLS METACONGLOMERATE: EVIDENCE OF EARLY AND LATE ARCHEAN HYDROSPHERE, The Geological Society of America, 2002 Denver Annual Meeting

Eqe Bay (112 words) [view diff] exact match in snippet view article find links to article

Scammel, R. (August 2003). "Geology, geochronology, and geochemistry of Archean rocks in the Eqe Bay area, north-central Baffin Island, Canada: constraints

Jormua Ophiolite (305 words) [view diff] exact match in snippet view article find links to article

western block resembles the central block except its bounded by older archean basement rocks and its mantle peridotites are in general less depleted

Domain (biology) (1,300 words) [view diff] exact match in snippet view article

made of phospholipid bilayers. Bacteria cell membranes are distinct from Archean membranes: They characteristically have none of the ether linkages that

Abitibi gold belt (1,206 words) [view diff] exact match in snippet view article find links to article

granite-greenstone-gneiss terrain called the Abitibi subprovince, part of the Archean Superior Province. Armistice Resources - Recently purchased and actively

Geology of Saskatchewan (3,639 words) [view diff] exact match in snippet view article find links to article

volatile Archean tectonics, evidencing island arc volcanic activity and mountain building. The Trans-Hudson Orogen occurred when a number of Archean continental

Dhala impact structure (540 words) [view diff] exact match in snippet view article find links to article

zircon grains from Dhala reveals Paleoproterozoic meteorite impact in the Archean basement rocks of Central India". Gondwana Research. 54: 81–101. Bibcode:2018GondR

Kerr Addison Mines Ltd. (1,255 words) [view diff] exact match in snippet view article find links to article

J.P. Smith, E.T.C. Spooner, D.W. Broughton and F.R. Ploeger (1993). "Archean Au-Ag-(W) Quartz Vein/Disseminated Mineralisation within the Larder Lake

Geology of Romania (797 words) [view diff] exact match in snippet view article find links to article

Carpathians in the Neogene. Some of the oldest resources in Romania are Archean-age Kyrvoirog-type iron ores in Dobogrea or others from the Paleozoic,

Eukaryotic translation termination factor 1 (5,512 words) [view diff] exact match in snippet view article find links to article

structural and functional differences between Eubacteria release factors and Archean/Eukaryotic are believed to have evolved separately with a divergence point

Yamato 000593 (779 words) [view diff] exact match in snippet view article find links to article

Czaja, Andrew D.; Tripathi, Abhishek B. (April 28, 2007). "Evidence of Archean life: Stromatolites and microfossils" (PDF). Precambrian Research. 158

Owl Creek Mountains (338 words) [view diff] exact match in snippet view article find links to article

3, 2015. Paul Mueller, Zell Peterman, James Granath (1985). A Bimodial Archean Volcanic Series, Owl Creek Mountains, Wyoming, The Journal of Geology.

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

Schmincke 2003, pp. 128–132. Arndt, N.T. (1994). "Archean komatiites". In Condie, K.C. (ed.). Archean Crustal Evolution. Amsterdam: Elsevier. p. 19.

Carol D. Frost (1,128 words) [view diff] exact match in snippet view article find links to article

D. Frost 2006 "Archean geochronological framework of the Bighorn Mountains, Wyoming" Carol D Frost, C Mark Fanning 2003 "Early Archean to Mesoproterozoic

Geology of New Brunswick (298 words) [view diff] exact match in snippet view article find links to article

van Hise (1892). "Eastern Canada and Newfoundland". Correlation Papers - Archean and Algonkian. Bulletin of the United States Geological Survey. Vol. 86

St. Francois Mountains (1,393 words) [view diff] exact match in snippet view article find links to article

Eva B. Kisvarsanyi and G. B. Morey, 1987, Geology and Metallogeny of Archean and Proterozoic Basement Terranes in the Northern Midcontinent, U.S.A.

Reducing agent (1,901 words) [view diff] exact match in snippet view article find links to article

oxygen was lost were termed reductions. Kasting, J.F. (2014). "Modeling the Archean Atmosphere and Climate". Treatise on Geochemistry. Elsevier. pp. 157–175

Supervolcano (2,445 words) [view diff] exact match in snippet view article find links to article

Retrieved on 2011-11-18. Pearson, V.; Daigneault, R. (January 2009). "An Archean megacaldera complex: The Blake River Group, Abitibi greenstone belt". Precambrian

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

Hélène (November 15, 2016). "Sulfur and lead isotopic evidence of relic Archean sediments in the Pitcairn mantle plume". PNAS. 113 (46): 12952–12956. Bibcode:2016PNAS

Kenora (3,950 words) [view diff] exact match in snippet view article find links to article

Clifford, Paul M. (1981). "The structural geometry and geological history of Archean rocks at Kenora, north-western Ontario—a proposed type area for the Kenoran

Lohardaga district (1,138 words) [view diff] exact match in snippet view article find links to article

the hilly tract of the district. Geologically the area in comprised with Archean Granites and Gneisses. In the uplands considerable thickness of late-rite

Magma (7,662 words) [view diff] exact match in snippet view article find links to article

Schmincke 2003, pp. 128–132. Arndt, N.T. (1994). "Archean komatiites". In Condie, K.C. (ed.). Archean Crustal Evolution. Amsterdam: Elsevier. p. 19.

Jodhpur Group – Malani Igneous Suite Contact (1,489 words) [view diff] exact match in snippet view article find links to article

URL status unknown (link) "Rajasthan Geology". Retrieved 25 March 2009. Archean Continental Crust Beneath Mauritius, and Low Oxygen Isotopic Composition

Autotroph (2,081 words) [view diff] exact match in snippet view article find links to article

or "food". The first autotrophic organisms likely evolved early in the Archean but proliferated across Earth's Great Oxidation Event with an increase

Ephemeral acid saline lake (1,770 words) [view diff] exact match in snippet view article find links to article

over the past 2 million years. Geographically, the lakes are located on Archean basement rock within the stable interior craton known as the Yilgarn Craton

Noranda (62 words) [view diff] exact match in snippet view article find links to article

Noranda may refer to: Noranda (mining company) Noranda Caldera, an Archean caldera in Canada Noranda, Western Australia, a suburb of Perth Noranda, Quebec

Rarh region (2,317 words) [view diff] exact match in snippet view article find links to article

rocks of Gondwana system. Susunia contains gneissic and schistose rocks of Archean age, and also felspathic quartzite at its top. The major rivers in the

Marrah Mountains (1,576 words) [view diff] exact match in snippet view article find links to article

the range, are thought to be of volcanic origin. The plateau rests on Archean rocks on an uplift between the Chad and Middle Nile basins and extends

Rajnagar, Birbhum (1,282 words) [view diff] exact match in snippet view article find links to article

/ 23.95; 87.32, with an average elevation of 101 m. It sits on ancient Archean rocks, receiving an annual rainfall of 1405 mm. The area has laterite soil

Onverwacht (78 words) [view diff] exact match in snippet view article find links to article

South Africa; Onverwacht series, a greenstone mountain formation from the Archean eon. This disambiguation page lists articles associated with the title