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apatite
(redirected from phosphorite)

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apatite
[ap′ətīt]
Etymology: Gk, apate, deceit
an inorganic mineral composed of calcium and phosphate that is found in the bones and teeth.
apatite (ap´tīt),
n the inorganic mineral substance of teeth and bone. See also carbonate hydroxyapatite.
apatite
1. calcium phosphate; one of the two mineral constituents of bones and teeth.
2. fluorapatite; a naturally occurring rock mineral containing fluorine.
apatite calculi
see apatite urolith.
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Their topics include Lower Cambrian shelled phosphorites from the northern Montaigne Noire in France, Siluro-Devonian alpine reefs and pavements, a late Atokan regional encrinite in the Sierra Agua Verde in northwestern Mexico, and whether the distribution of tabulae in tabulates can be used to estimate palaeo-environmental changes.
Palaeozoic reefs and bioaccumulations; climatic and evolutionary ... by SciTech Book News
[FIGURE 6 OMITTED] Backfilling Previous experience with backfilling of oil shale mines and phosphorite mines allows one to consider that there is the possibility of using ash from powerplants, oil shale separation waste rock and/or limestone--as siderock from selective mining for perfoming backfilling [1, 9].
Future of oil shale mining technology in Estonia by Karu, V.; Vastrik, A.; Anepaio, A.; Vaizene, V.; Adamson, A.; Valgma, I. / Oil Shale
Uraniferous phosphorite and apatite-bearing gneisses in the Proterozoic Finland.
Uranium exploration, non-governmental organizations, and local ... by Eerola, Toni / Estonian Journal of Earth Sciences
 
 
 
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