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Exploration Expense
 9 Months Ended
Sep. 30, 2012
Notes to Financial Statements  
Exploration Expense

2.       Exploration expense

 

          The following items comprised exploration expense:

 

(in thousands)  Three months ended
 September 30,		  Nine months ended
 September 30,
   2012  2011  2012  2011
Geologic and field expenses  $432   $623   $1,003   $1,231 
Administrative   81    76    274    210 
Mt. Hamilton exploration   (6)   1,025    308    2,045 
Total exploration costs  $507   $1,724   $1,585   $3,486