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Martin Marietta Quarry (11th Street Quarry), Hickory, Catawba Co., North Carolina, USA

Aggregate quarry in schists of the Inner Piedmont province of the Appalachian Orogen. Three main mineral forming environments are present. Ankerite veins contain fine ilmenite crystals and other well-formed rock-forming minerals. Prehnite veins in chloritic shear- and fracture-zones contain sharp prehnite crystals, some babingtonite, and various zeolites. Stilbite crystals are found in a fault zone at the northwest end of the quarry. Kainosite occurred in a one-time find where ankerite veins crossed a pegmatite containing large crude allanite crystals.





Map Reference: 35°43'1"N , 81°17'59"W

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Mineral List:
'Adularia'
'Albite-Anorthite Series'
'Allanite'
Almandine
Ankerite
Apatite-(CaF)
'Apophyllite'
Babingtonite
Biotite
Calcite
'Chabazite'
Chalcopyrite
'Chlorite Group'
Epidote
Fluorite
'Heulandite'
Heulandite-Ca
Ilmenite
Kainosite-(Y)
Laumontite
Magnetite
Mesolite
Microcline
Molybdenite
Muscovite
Prehnite
Pyrite
Pyrrhotite
Quartz
var: Smoky Quartz
Rutile
Schorl
Siderite
Sphalerite
'Stilbite'
Titanite


36 entries listed. 26 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in North Carolina, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Oct 2009 03:16:24