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glauconite    
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  • Glauconite - Wikipedia
    Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color which is very friable [5] and has very low weathering resistance It crystallizes with a monoclinic geometry
  • Glauconite: Mineral information, data and localities.
    The green "glaucony" mineral commonly found in marine sediments has been defined as a mixed-layer glauconite-smectite (Odin Létolle, 1980), but in part it can actually be a mixture of minerals from the mica, serpentine and chlorite groups, rather than a pure glauconite mineral
  • Glauconite | Clay Mineral, Marine Sediment, Greenish-Gray | Britannica
    Glauconite forms by three principal processes: alteration of the fecal pellets of bottom-dwelling organisms; modification of particles of illitic and biotitic clays by seawater; and direct precipitation from seawater
  • Glauconite: A tricky, sticky mineral that’s challenging offshore wind . . .
    Offshore wind developers are encountering an unexpected challenge on the East Coast seafloor: a crushable, green mineral called glauconite, sometimes precisely where they plan to install wind turbines
  • Glauconite - ALEX STREKEISEN
    Named in 1828 from the Greek "glaukos," blue-green, in allusion to its color; Glauconite is an iron potassium phyllosilicate (mica group) mineral Normally, glauconite is considered a diagnostic mineral indicative of continental shelf marine depositional environments with slow rates of accumulation
  • Glauconite - an overview | ScienceDirect Topics
    Iron-rich clay granules are traditionally called glauconite, which is somewhat incorrect as glauconite is a specific clay mineral, whereas clay granules may include various iron-bearing clay species
  • Glauconite - Sandatlas
    Glauconite is usually a component of sandstones It occurs in sand-sized granules in marine sandstones If abundant, it gives distinct green color to sandstones that are called greenbeds or greensands It may also occur in carbonate rocks
  • How to Identify Glauconite | Properties, Meaning Uses
    Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color which is very friable and has very low weathering resistance It crystallizes with a monoclinic geometry
  • Glauconite – WGNHS – UW–Madison
    Glauconite is considered diagnostic of sediments deposited in a continental shelf marine environment It is suggestive of slow rates of sediment accumulation and may form by biogenetic or diagenetic alteration of minerals such as biotite or volcanic glass
  • Glauconite Mineral Data
    From the Greek "glaucos" for the blue green color Comments: Green glauconite intermixed with quartz Location: Ightham, Kent, England Scale: See Photo Blue green, Green, Yellow green Micaceous - Platy texture with "flexible" plates Non-fluorescent





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