Annual report pursuant to Section 13 and 15(d)

MINERAL PROPERTIES IN THE UNITED STATES (Details)

v2.4.1.9
MINERAL PROPERTIES IN THE UNITED STATES (Details)
12 Months Ended
Dec. 31, 2014
acre
Claim
T
Aug. 31, 2001
Claim
MINERAL PROPERTIES IN THE UNITED STATES [Abstract]    
Number of patented mining claims in which PEVM has undivided interest 48trec_SubsidiaryUndividedInterestNumberOfPatentedMiningClaims  
Number of unpatented mining claims in which PEVM has undivided interest 5trec_SubsidiaryUndividedInterestNumberOfUnpatentedMiningClaims  
Area under patented and unpatented mining claims (in acres) 1,500trec_AreaUnderPatentedAndUnpatentedMiningClaims  
Allocated mining capacity per day (in ton) 300trec_AllocatedMiningCapacityPerDay  
Unpatented claims abandoned   75trec_UnpatentedClaimsAbandoned
Period when the property is unused due to lack of capital 35 years