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Based on the close proximity of the studied Fe-Cu ores to calc-alkaline Mirkani granitoids of the western Kohistan batholith calc-silicate mineralogy, petrographic and trace element geochemistry of magnetite minerals, these deposits are classified as skarn-type hydrothermal deposits (Our study in progress).
Mineralogical and beneficiation studies of the Fe-Cu ores of Dammal Nisar, Chitral, NW Himalayas Pakistan
Regional assessment of Marble and calc-silicate rocks of Rajasthan.
SCIENTIFIC EXAMINATION OF MARBLE FRETWORK FROM JAHANGIR TOMB, LAHORE, PAKISTAN
The field occurrence of marbles in the Cienaga skarn reveals that they show a variable morphology (with sharp contacts) and thickness with a transition into carbonate-silicate rocks, which consecutively pass into calc-silicate and carbonate-bearing silicate rocks.
Ti-clinohumite in the Cienaga skarn-type mineralogy, Sierra Nevada de Santa Marta Massif (Colombia): occurrence and petrologic significance
The host rock is strongly altered, comprising coarse garnet and magnetite.This strong calc-silicate alteration, that includes garnet, has proven to be a good indicator of base metal mineralisation at Jervois, suggesting close proximity to mineralisation.
KGL Resources (ASX:KGL) New Mineralised Copper Zone Discovered at Jervois
According to the company, although graphite has been identified locally in marbles, graphite is also hosted here in quartz, biotite/mica gneisses and in calc-silicate gneisses.
Lithium Corporation reports purchase of BC Sugar prospect in British Columbia
If the protolith is siliceous carbonate, then calc-silicate minerals will be part of the mineral paragenesis.
Brucite--Industrial Mineral with a future
Analcime has been found in calc-silicate skarn at FPS and other contact skarn deposits, as well as in granitic pegmatite and nepheline ([+ or -] corundum) syenite.
Zeolite occurrences in the Central Metasedimentary Belt of the Grenville Province, Ontario, Quebec and New York State
the more variegated gneiss complex with intercalations of calc-silicate rocks, marbles, amphibolites and orthogneisses (Varied group).
Geochemical constraints of origin and evolution of migmatites in the central part of the Moldanubian Zone (Temelin area), Bohemian Massif
Croix terrane contain similar lithological successions comprising quartzite, quartzite-pebble conglomerate, calc-silicate rocks, quartzo-feldspathic wacke, grey shale and coticule-bearing sandstone.
2001 Colloquium & Annual general meeting. (Abstracts)
But impure marbles (containing silicate and calc-silicate minerals) can be challenging to slab and polish, especially if the impurities occur as patches rather than being finely disseminated.
The Elegant Stone

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