Mine detail: Cook Prospect

Previously called 'Arrowhead Lease'

<< Back to the map

<< Back to browsing

Location: Missoula County, Montana, United States, North America
Lat / long: 46.73739, -113.60093
dep_id: 10098497
mrds_id: M060194
Commodity type: metallic
Major mineral: Manganese
Minor mineral: Silver, Gold
Operation type: Unknown
Deposit type: Replacement
Production size: Small ammount of material produced
Development status: Past Producer
ore: Gold, Pyrolusite, Wad
gangue: Chalcedony
orebody_fm: TABULAR-IRREGULAR
work_type: Unknown
ore_ctrl: Favorable Bed In Cambrian Limestone Overlain By Marker Zone Of Interbedded Shale And Limestone.
Reporter: Puffett, Willard P., Wise, Kristine K. (Elliott, James E.)
hrock_type: Limestone
Structure: High Angle Reverse Fault Trending Nw And Dipping 50 Deg. Sw Separates Precambrian And Cambrian Rock., High Angle Reverse Fault Is Sw Limit Of Ore
Year first produced: 1917
disc_yr: 1917
discr: A.B. Cook
References:
  • Deposit:: MBMG BULL 8, P. 15, 32
  • Production:: MBMG BULL 8.
© 2010-2018 Lee C. Baker unless noted. All rights reserved.