Mine detail: Cragg Mine

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Location: Queensland, Australia, Oceania
Lat / long: -23.12995, 142.6988
dep_id: 10110084
mrds_id: TC34459
Commodity type: nonmetallic
Major mineral: Gemstone
Operation type: Unknown
Deposit type: Residual
Production size: Small ammount of material produced
Development status: Producer
gangue: Hematite, Limonite
orebody_fm: STRATAFORM
work_type: Surface
ore_ctrl: Fractures In Ironstone Concretions; Sandstone/Clay Interface And Rarely In Fractures In Petrified Wood.
Reporter: Bliss, James D.
hrock_unit: Winton Formation;
hrock_type: Mudstone,Siltstone,Sandstone
Structure: Great Artesian Basin
disc_yr: 1888
discr: Fred Cragg
References:
  • Analytical Data:: WISE, W.R., 1993.
  • Deposit:: WISE, R.W., 1993, QUEENSLAND BOULDER OPAL: GEMS AND GEMOLOGY, V. 29, NO. 1, P. 4-15
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