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ⓘ Detrital Beds ..


ⓘ Detrital Beds

  • 2012 - 07 - 12. Retrieved 2009 - 03 - 01. Lexicon of Canadian Geologic Units. Detrital Retrieved 2009 - 03 - 01. Lexicon of Canadian Geologic Units. Grand Rapids
  • the red color of red beds typically occur as a coating on the grains of sediments comprising red beds Classic examples of red beds are the Permian and
  • graded bed Detrital sedimentary graded beds are formed from erosional, depositional, and weathering forces. Graded beds formed from detrital materials
  • South. Beds of detrital sediment, sandstones, shales and occasional ironstones and thin coals separate the limestones into well - defined beds These limestone
  • red - bed reservoirs in the Beryl Field, UK North Sea Petroleum Geoscience. 4: 7 16. doi: 10.1144 petgeo.4.1.7. McAteer, C.A. et al. 2010 Detrital zircon
  • analysis of detrital zircons of c. 1170 Ma from Paleozoic metasedimentary rocks in the Lhasa terrane shows identical values to detrital zircons of the
  • known as Acheulean. The drift - beds of St Acheul Amiens of Menchecourt Abbeville of Hoxne Suffolk and the detrital laterite of Madras are considered
  • showing detrital intercalations made of shelly debris, gravels, and breccias. The Lower Portlandian - generally composed of 35 m of well - bedded cryptocrystalline
  • about 1, 400 to 1, 800 feet 430 to 550 m Sandstone modal compositions and detrital zircon U Pb analyses of the Wilcox Group indicate long distance sediment
  • such as the Banff Formation or Pekisko Formation, often separated by a Detrital Zone. It is correlated to the McMurray Formation in the Athabasca Oil Sands
  • evidence of an Archaean ancestry for the Bangweulu Block is provided by detrital zircons within the Mporokoso Group, which indicate a local source area
  • thin beds within peat swamps or mires. Like fireclays, ganisters are found within Carboniferous and other sedimentary strata independent of coal beds Thus
  • VISS are primary sedimentary structures formed by the interaction of detrital sediment with in situ plants. VISS provide physical evidence of vegetation s
  • by West Indian Manatees. The beds of V. americana are great at stabilizing sediment and shorelines, facilitating detrital food webs, and improving water
  • meter - scale planar tabular cross - stratification and trough cross - beds These cross beds record north - directed paleocurrents along with subordinate bidirectional
  • Phosphorite, phosphate rock or rock phosphate is a non - detrital sedimentary rock which contains high amounts of phosphate minerals. The phosphate content
  • meter - scale sandstone beds become common. Unconformities mark both the base and, possibly, the top of the Nankoweap Formation. The red beds of the Nankoweap
  • river courses. The river beds were at the time a rich humic swamp with thick vegetation, and accumulation of peats or thick detrital vegetation. Most CIDs
  • fine grained sandstone with coarse grained beds and minor bentonite, coal, green shale, and concretionary beds Gas is produced from the Belly River Formation
  • Triassic to Neogene evolution of the south - central Andean arc determined by detrital zircon U - Pb and Hf analysis of Neuquen Basin strata, central Argentina

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