Property, Plant and Equipment

9 Months Ended

Sep. 30, 2014

Property, Plant and Equipment [Text Block]

4. Property, Plant and Equipment

The major components of the Company’s mineral property, plant, and equipment accounts are as follows:

		September 30,			December 31,
		2014			2013
Troy:
Property acquisition and development costs	$	18,322		$	18,322
Plant and equipment		14,009			13,931
Construction in progress		6,103			808
Buildings and structures		5,613			5,613
		44,047			38,674
Rock Creek:
Property acquisition costs		34,976			34,976
Other, corporate		4,330			4,330
Other, mineral properties		118			118
		83,471			78,098
Accumulated depreciation and depletion:
Troy Property acquisition and development		(7,332	)		(7,332	)
costs
Troy plant and equipment		(3,861	)		(3,861	)
Troy buildings and structures		(1,630	)		(1,630	)
		(12,823	)		(12,823	)
Other corporate assets		(170	)		(167	)
		(12,993	)		(12,990	)
	$	70,478		$	65,108

The net book value of assets under capital leases at September 30, 2014 and December 31, 2013 was $0.0 million and $2.1 million, respectively.

Included in other corporate assets is Revett Holdings Inc., a wholly owned subsidiary of Revett Silver Company, which owns mitigation lands with a carrying value of $3.6 million. This land and other land not essential to our mining operations are designated as grizzly bear habitat mitigation land. The property costs for Rock Creek will be amortized when the property is placed into production, or written off if it is determined that Rock Creek cannot be developed.