precambrian rock exposures within the United States precambrian rock exposures within the United States Neoproterozoic (~ 650 Ma) -- North America rifted away from Antarctica and Australia as the... Neoproterozoic (~ 650 Ma) -- North America rifted away from Antarctica and Australia as the... precambrian and Cambrian Basins: OA - Ouachita Aulacogen RCG - Rough Creek Graben RFR - Reelfoot... precambrian and Cambrian Basins: OA - Ouachita Aulacogen RCG - Rough Creek Graben RFR - Reelfoot... Periods of glaciation precambrian Climate-Earth's Early Environment 4.5 to 2.5Ga The first half of... Periods of glaciation precambrian Climate-Earth's Early Environment 4.5 to 2.5Ga The first half of... Mesoproterozoic (~1.1 Ga) -- North America was part of the supercontinent Rodinia and was possibly... Mesoproterozoic (~1.1 Ga) -- North America was part of the supercontinent Rodinia and was possibly... Advance to Cambrian SW US Return to Paleogeography SW US Return to TEXT Advance to Cambrian, SW US Return to Paleogeography, SW US Return to TEXT ediacaran.jpg 22-Nov-2005 15:22 21k ediacaran.jpg 22-Nov-2005 15:22 21k cc cc This vase was found in 1851 in Dorchester Mass. U.S.A.. It was discovered in solid rock. The rock... This vase was found in 1851 in Dorchester, Mass., U.S.A.. It was discovered in solid rock. The rock... View of the easternmost roadcut of the precambrian Granite Complex on Trans-Mountain Road. This... View of the easternmost roadcut of the precambrian Granite Complex on Trans-Mountain Road. This... but by the Late Cambrian (514 million years ago) we had made it practically all the way to the... but by the Late Cambrian (514 million years ago) we had made it practically all the way to the... Domain: Eubacteria Phylum: Cyanobacteria Genus: Anabaena Domain: Eubacteria Phylum: Cyanobacteria Genus: Anabaena Back to Petroleum Potential... Kansas Geological Survey Current Research Web version Sept. 15 2004... Back to Petroleum Potential... Kansas Geological Survey, Current Research Web version Sept. 15, 2004... Topics Readings Hands On Projects Early Earth-Tectonics Volcanism and Intrusions DeWitt Eriksson... Topics Readings Hands On Projects Early Earth-Tectonics, Volcanism and Intrusions DeWitt, Eriksson... A close up view of a dark piece of the Thunderbird. The rectangular pink crystals are Feldspar. A close up view of a dark piece of the Thunderbird. The rectangular pink crystals are Feldspar. This era Polly rushed off to produced a lot of artists and famous old paintings. Present Old West ... This era Polly rushed off to produced a lot of artists and famous old paintings. Present Old West ... Figure 1: Distribution of the precambrian mafic complexes within the Siberian craton. Numbers are... Figure 1: Distribution of the precambrian mafic complexes within the Siberian craton. Numbers are... Although early focus was on possible extensional origin of the Kansas precambrian suite current... Although early focus was on possible extensional origin of the Kansas precambrian suite, current... u‘åã‚̐¯À‘Œ©”Ղ­‚èv u‘åã‚̐¯À‘Œ©”Ղ­‚èv Petroleum geology of Tucumcari Basin east-central New Mexico. I have 20 years of research on the... Petroleum geology of Tucumcari Basin, east-central New Mexico. I have 20 years of research on the... precambrian Red beds precambrian Red beds An extremely well-preserved example of precambrian pillow basalt textures -evidence of seafloor... An extremely well-preserved example of precambrian pillow basalt textures -evidence of seafloor... Domain: Eubacteria Phylum: Cyanobacteria Genus: Anabaena Domain: Eubacteria Phylum: Cyanobacteria Genus: Anabaena Return to precambrian Page Return to precambrian Page Click here to enlarge image A tentative daily schedule of field projects is listed in the table... Click here to enlarge image A tentative daily schedule of field projects is listed in the table... [ Back to top... ] [ Back to top... ]
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