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  2. Paleosol - Wikipedia

    en.wikipedia.org/wiki/Paleosol

    In geoscience, paleosol (palaeosol in Great Britain and Australia) is an ancient soil that formed in the past. The definition of the term in geology and paleontology is slightly different from its use in soil science .

  3. Paleopedology - Wikipedia

    en.wikipedia.org/wiki/Paleopedology

    Even when fossils that are found in paleosols are understood, much more can be learned regarding their preservation, ecology, and evolution by studying the paleosols they inhabited. Fossil stumps in a paleosol. A fossilized footprint, burrow, or coprolite (fossil feces), are examples of trace fossils (ichnofossils). These trace fossils do not ...

  4. Diskagma - Wikipedia

    en.wikipedia.org/wiki/Diskagma

    Diskagma ("disc-like fragment") is a genus of problematic fossil from a Paleoproterozoic (2200 million years old) paleosol from South Africa, and significant as one of the oldest likely eukaryotes and some of the earliest evidence for megascopic life on land. [1] Reconstruction of Diskagma buttonii.

  5. Prehistory of Colorado - Wikipedia

    en.wikipedia.org/wiki/Prehistory_of_Colorado

    This layer, Paleosol, is a soil of fossils such as petrified wood. An uplift occurred on the Front Range that caused the Pikes Peak granite to become exposed and then erode on the surface, resulting in a white sandstone called Dawson Arkose.

  6. Silcrete - Wikipedia

    en.wikipedia.org/wiki/Silcrete

    Silcrete (siliceous paleosol) in the Waddens Cove Formation (formed during the Pennsylvanian), Sydney Basin, Nova Scotia. Silcrete is an indurated (resists crumbling or powdering) soil duricrust formed when surface soil, sand, and gravel are cemented by dissolved silica.

  7. Gregory Retallack - Wikipedia

    en.wikipedia.org/wiki/Gregory_Retallack

    Gregory John Retallack (born 8 November 1951) is an Australian paleontologist, geologist, and author who specializes in the study of fossil soils (paleopedology). His research has examined the fossil record of soils though major events in Earth history, extending back some 4.6 billion years. [1] He has written two textbooks on paleopedology. [2]

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  9. Palaeogeography - Wikipedia

    en.wikipedia.org/wiki/Palaeogeography

    Paleontology – Study of life before the Holocene epoch, often involving fossils and pollen . Paleopedology – Discipline studying soils of the past eras; Paleosol – Soil buried under sediment or not representative of current environmental conditions; Physical geography – Study of processes and patterns in the natural environment