Search
- Filter Results
- Location
- Classification
- Include attachments
- https://geo.libretexts.org/Courses/SUNY_Potsdam/Sedimentary_Geology%3A_Rocks_Environments_and_Stratigraphy/10%3A_Depositional_Environments/10.03%3A_Clastic_Marginal_Marine_EnvironmentsMarginal marine environments form at the intersection of land and sea, where terrestrial and marine processes converge. In regions with a moderate supply of clastic sediment, these environments are sh...Marginal marine environments form at the intersection of land and sea, where terrestrial and marine processes converge. In regions with a moderate supply of clastic sediment, these environments are shaped by the balance between waves, rivers, and tides which results in the development of beaches, deltas, and tidal flats, respectively.
- https://geo.libretexts.org/Courses/SUNY_Potsdam/Sedimentary_Geology%3A_Rocks_Environments_and_Stratigraphy/04%3A_Sedimentary_Structures/4.03%3A_Structures_Formed_by_Bidirectional_Oscillatory_and_or_Fluctuating_FlowsWhen waves start to "feel" bottom (at a depth of 1/2 of their wavelength) they cause a back-and-forth sense of motion at the sediment surface which creates wave symmetrical wave ripples. Sloshing act...When waves start to "feel" bottom (at a depth of 1/2 of their wavelength) they cause a back-and-forth sense of motion at the sediment surface which creates wave symmetrical wave ripples. Sloshing action caused by storm events causes wavy and complexly cross-cutting layers in hummocky cross stratification. Changes in flow strength and direction result in heterolithic bedding and/or herringbone cross-bedding.
- https://geo.libretexts.org/Courses/SUNY_Potsdam/Sedimentary_Geology%3A_Rocks_Environments_and_Stratigraphy/04%3A_Sedimentary_Structures/4.02%3A_Structures_Formed_by_Unidirectional_CurrentsBedforms are three dimensional structures in sediment; if preserved or partially preserved they form sedimentary structures. A predictable sequence of bedforms and structures for in response to unidi...Bedforms are three dimensional structures in sediment; if preserved or partially preserved they form sedimentary structures. A predictable sequence of bedforms and structures for in response to unidirectional flows as a function of grain size, flow depth and velocity.
- https://geo.libretexts.org/Courses/SUNY_Potsdam/Sedimentary_Geology%3A_Rocks_Environments_and_Stratigraphy/10%3A_Depositional_Environments/10.02%3A_DesertsDeserts form in arid environments where water is limited and wind is the primary mechanism for sediment transport. Desert deposits are characterized by thick sets of cross-bedded sandstones and a com...Deserts form in arid environments where water is limited and wind is the primary mechanism for sediment transport. Desert deposits are characterized by thick sets of cross-bedded sandstones and a combination of evaporites, mud, gravel, and fluvial deposits in interdune areas.
