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Shepherd Hill Quarry (Brukunga Quarry), Nairne, South Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia

Old pyrite quarry located 3.5 km NNE of Nairne (Brukunga), now used as a training place for the fire brigade.

Cambrian pyrite beds at the base of the Kanmantoo Group (quartzites, greywackes, siltstones).
The mineralization has a sedimentary origin and was affected by a remobilization during amphibolite facies metamorphism.
Tension Gash Veins, perpendicular to fold axis and mineral lineation are mineralized with manganochromite, hexagonal and monoclinic pyrrhotite, nickel, graphite, apatite, REE phosphates (Ca-Th-Ce phosphate and lanthanide phosphate) and a PdSb2 mineral.
The mineralization also contains hyalophane and barium micas.





Map Reference: 35°0'10"S , 138°56'6"E

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Mineral List:
Alabandite
Anatase
Andalusite
'Apatite'
Apatite-(CaCl)
Apatite-(CaOH)
Arsenopyrite
Boulangerite
Breithauptite
Calcite
Chalcopyrite
'Chlorite Group'
Clinochlore
var: Chromian Clinochlore

Cordierite
Cubanite
Diopside
Freibergite
Gahnite
Galena
'Garnet Group'
Graphite
Gudmundite
Halite
'Hornblende'
Hyalophane
Jamesonite
Jarosite
Kyanite
Manganochromite (TL)
Marcasite
Muscovite
Nickel
Nickeline
Pentlandite
Phlogopite
Prehnite
Pyrargyrite
Pyrite
Pyrophanite
Pyrrhotite
Quartz
Rutile
'Scapolite'
Siderite
var: Manganoan Siderite

Sillimanite
Spessartine
Sphalerite
Stannite
'Stilbite'
Tetrahedrite
Titanite
Tremolite
Ullmannite


53 entries listed. 44 valid minerals. 1 type locality (valid mineral).

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Australia 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: 22nd Nov 2009 14:29:35