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  2. Red beds - Wikipedia

    en.wikipedia.org/wiki/Red_beds

    Red beds (or redbeds) are sedimentary rocks, typically consisting of sandstone, siltstone, and shale, that are predominantly red in color due to the presence of ferric oxides. Frequently, these red-colored sedimentary strata locally contain thin beds of conglomerate , marl , limestone , or some combination of these sedimentary rocks.

  3. Red Beds of Texas and Oklahoma - Wikipedia

    en.wikipedia.org/wiki/Red_Beds_of_Texas_and_Oklahoma

    The most prolific fossil site in the red beds is the Geraldine Bonebed within the Nocona Formation of the Wichita Group. [6] During the Permian, the bonebed was the site of a freshwater pond. After a catastrophic event this became the burial site for a variety of terrestrial and marine animals. [ 15 ]

  4. Bloomsburg Formation - Wikipedia

    en.wikipedia.org/wiki/Bloomsburg_Formation

    The Silurian Bloomsburg Formation is a mapped bedrock unit in Pennsylvania, New Jersey, New York and Maryland. It is named for the town of Bloomsburg, Pennsylvania , in which it was first described. The Bloomsburg marked the first occurrence of red sedimentary rocks in the Appalachian Basin .

  5. Bed (geology) - Wikipedia

    en.wikipedia.org/wiki/Bed_(geology)

    In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". [1] A bedding surface is three-dimensional surface , planar or curved, that visibly separates each successive bed (of the same or different lithology ) from the preceding or following bed.

  6. Gulf of Mexico basin - Wikipedia

    en.wikipedia.org/wiki/Gulf_of_Mexico_basin

    Red beds, also referred to as non-marine clastic sequences, which are often red in color, have been found in wells drilled in the Gulf of Mexico which penetrated the Late-Triassic and Early-Jurassic strata, filling the extensional graben features. The Gulf of Mexico basin red beds are specifically named the Eagle Mills formation, located ...

  7. Lithostratigraphy - Wikipedia

    en.wikipedia.org/wiki/Lithostratigraphy

    The fundamental Lithostratigraphic unit is the formation. A formation is a lithologically distinctive stratigraphic unit that is large enough to be mappable and traceable. Formations may be subdivided into members and beds and aggregated with other formations into groups and supergroups.

  8. 4 Pics 1 Word Cheats - Three Letter Words - AOL

    www.aol.com/news/2013-02-25-4-pics-1-word-cheats...

    Warning: This article contains spoilers. Now that we solved the puzzles in 4 Pics 1 Word and mercifully received a breather until the next update, it's time to put the answers in a more accessible ...

  9. Sedimentary structures - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_structures

    These structures are within sedimentary bedding and can help with the interpretation of depositional environment and paleocurrent directions. They are formed when the sediment is deposited. Cross-bedding Cross-bedding is the layering of beds deposited by wind or water inclined at an angle as much as 35° from the horizontal. [1]