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glauconite
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Glauconite - an overview | ScienceDirect Topics
Glauconite is defined as a sheet silicate mineral belonging to the mica group , characterized by a strong affinity for water and variable chemical composition, often contributing to high density, neutron porosity, and gamma activity in sedimentary rocks.
www.sciencedirect.com
www.sciencedirect.com
Glauconite - Wikipedia
Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color which is very friable
en.wikipedia.org
en.wikipedia.org
Glauconite: Mineral information, data and localities.
Typically found as rounded aggregates or "pellets" of very fine grained scaly clay particles, having a blue-green to yellow-green or grey-green color.
www.mindat.org
www.mindat.org
glauconite
glauconite Min. (ˈglɔːkənaɪt) [Named by Keferstein 1828 (in Ger. form glaukonit), f. Gr. γλαυκόν, neut. of γλαυκός adj. (see glaucous) + -ite.] Hydrous silicate of iron, potassium, and other bases, commonly called green earth.1836 T. Thomson Min. I. 387 Glauconite is employed as a colour by painters...
Oxford English Dictionary
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Glauconite Mineral Data - Mineralogy Database
Glauconite Crystallography, Physical Properties of Glauconite, Optical Properties of Glauconite, Calculated Properties of Glauconite.
webmineral.com
webmineral.com
A tricky, sticky mineral that's challenging offshore wind developers ...
Glauconite can form over tens of thousands of years. The older it is, the darker it is — almost black; younger glauconite ranges in hues from a ...
newbedfordlight.org
newbedfordlight.org
Glauconite - WGNHS
Glauconite is considered diagnostic of sediments deposited in a continental shelf marine environment. It is suggestive of slow rates of sediment accumulation ...
home.wgnhs.wisc.edu
home.wgnhs.wisc.edu
ALEX STREKEISEN-Glauconite-
Glauconite is an iron potassium phyllosilicate (mica group) mineral. Normally, glauconite is considered a diagnostic mineral indicative of continental shelf ...
www.alexstrekeisen.it
www.alexstrekeisen.it
Glauconite - ScienceDirect.com
It has been used most commonly as a morphological term for sand-sized greenish grains found in sedimentary rocks, but also as a name for a specific mineral ...
www.sciencedirect.com
www.sciencedirect.com
Glauconite | Clay Mineral, Marine Sediment, Greenish-Gray
Glauconite, greenish ferric-iron silicate mineral with micaceous structure [(K, Na)(Fe3+,Al, Mg)2(Si, Al)4O10(ΟH)2], characteristically ...
www.britannica.com
www.britannica.com
hislopite
hislopite Min. (ˈhɪzləpaɪt) [f. the name of the Rev. Stephen Hislop (1817–63), Scottish missionary and naturalist: see -ite1.] An Indian variety of calcite coloured green by the presence of glauconite.1859 S. Haughton in Phil. Mag. XVII. 18, I propose to give the name of Hislopite to the remarkable ...
Oxford English Dictionary
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Verdete
The main potassium bearing minerals are glauconite and muscovite.
References
Slate
Geology of Brazil
Landforms of Minas Gerais
wikipedia.org
en.wikipedia.org
greensand
ˈgreen-sand, ˈgreensand 1. Min. and Geol. a. = glauconite, green earth. b. A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite. c. A formation consisting largely of this sandstone; denominated Upper Greensand or Lower Greensand from the position of the stratum ...
Oxford English Dictionary
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Physaria pallida
This geologic formation contains carbonates above a layer of water-impermeable glauconite, which keeps the soil above from draining, leaving the area quite plant is threatened by the loss and degradation of its habitat, which has largely been converted to agricultural and pasture use, or degraded during glauconite
wikipedia.org
en.wikipedia.org
Castle Hayne Limestone
It consists of cobble to pebble sized clasts, usually rounded, coated with phosphate and glauconite in a limestone matrix. It contains bryozoa and sea urchin fossils and beds of glauconite and phosphate pebbles that mark breaks in deposition.
wikipedia.org
en.wikipedia.org