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Columbia Property Project
Columbia Property
Country USA 
Province Montana
Close to Helena
Status ADVANCED DISCOVERY 
Latitude / Longitude 45 N 55 / 112 W 1
Legends
Valorisation
Print Valuation Travel To Property All neighbouring Properties Mines and deposits nearby All active properties nearby
Produces
Develops
Explores for Gold - Silver -
Risk and valuation analysis of the Columbia Property Project
Status Risk : Advanced discovery
Country Risk : Very Low
Resource Risk : 37.00%
In situ value
8,316,050,140 $
Title(s) of the Columbia Property Project
Atna Resources Ltd
Owner: 100%
Company ProfileAll ProjectsCompany websiteCompany project page
TitleCompany ProfileAll ProjectsCompany websiteCompany project page
Atna's wholly-owned subsidiary Seven-Up Pete Venture ("SPV") controls the majority of the Columbia Gold Mine mineralization.
Location of the Columbia Property Project
The Columbia Mine property is located seven miles east of Lincoln and 45 miles northwest of Helena, in Lewis and Clark County, Montana.
 
History of the Columbia Property Project
Between 1989 and 1993, exploration, bulk sampling, development studies, metallurgical testing, and environmental baseline studies were conducted on the Seven-Up Pete property. By 1993, the total drilling on the property was 378 holes totaling 159,410 more...
 
Geology of the Columbia Property Project
The Columbia Mine property is covered by middle Tertiary andesitic volcanic rocks. The most prominent controls on mineralization at Seven-Up Pete are north to northwest-trending faults that have localized quartz-pyrite-precious metal mineralization.  more...
 
Reserves and resources of the Columbia Property Project
TonnageGradeReserves and resources
SilverGoldSilverGold
g/tg/tozoz
 Measured5,370,0004.821.46 832 171 252 068
 Indicated11,294,0003.611.34 1 310 829 486 568
 Mesured and Indicated16,664,0004.001.38 2 143 000 738 636
 Inferred10,705,0003.801.31 1 307 860 450 868
 Total 27 369 000 3 450 860 1 189 504
Definitions
Reserves and resources of the Columbia Property Project
MetalTotalReservesResourcesUnitIn situ value
ProvenProbableProven and ProbableMeasuredIndicatedMesured and IndicatedInferred
 Gold 1 189 504 252 068 486 568 738 636 450 868oz1 539 313 334 US$
 Silver 3 450 860 832 171 1 310 829 2 143 000 1 307 860oz 67 740 379 US$
Exploration and drilling
5/26/2010Announces Positive Preliminary Economic Assessment for the C...
Discoveries and Drilling Results
9/11/2009Reports Significant Gold Resource for its Columbia Gold Proj...
Location
Data last updated on : 9/10/2009
Disclaimer
All information on this page comes from internal and external sources deemed reliable. This information might not be up to date, so please perform due diligence before making any conclusion or making any action. Do contact us should any information be missing or incorrect.
Cautionary Note to US Investors concerning estimates of Measured and Indicated Mineral Resources