Mining Properties (Tables)

12 Months Ended

Dec. 31, 2022

Mining properties consist of the following (in thousands):


December 31, 2022	Palmarejo		Rochester		Kensington		Wharf		Silvertip		Sterling		Other		Total
Mine development	$	336,656	$	637,321	$	410,255	$	67,326	$	81,827	$	—	$	—	$	1,533,385
Accumulated amortization	(226,437)		(161,305)		(327,499)		(25,306)		(12,622)		—		—		(753,169)
	110,219		476,016		82,756		42,020		69,205		—		—		780,216
Mineral interests	629,303		19,098		—		48,062		114,036		—		10,613		821,112
Accumulated amortization	(542,886)		—		—		(36,179)		(24,828)		—		—		(603,893)
	86,417		19,098		—		11,883		89,208		—		10,613		217,219

Mining properties, net	$	196,636	$	495,114	$	82,756	$	53,903	$	158,413	$	—	$	10,613	$	997,435

As further discussed in Note 21 -- Dispositions, the consideration for the sale of La Preciosa project included two royalties, a 1.25% net smelter returns royalty on properties covering the Gloria and Abundancia areas of the La Preciosa project and a 2.00% gross value royalty on all areas of the La Preciosa project other than the Gloria and Abundancia areas. The fair value of the royalties was $11.2 million, valued as of the date of closing of the transaction.


December 31, 2021	Palmarejo		Rochester		Kensington		Wharf		Silvertip		Sterling		Other		Total
Mine development	$	307,698	$	437,833	$	382,492	$	49,045	$	67,805	$	3,861	$	—	$	1,248,734
Accumulated amortization	(211,187)		(158,805)		(302,582)		(24,358)		(11,685)		(1,515)		—		(710,132)
	96,511		279,028		79,910		24,687		56,120		2,346		—		538,602
Mineral interests	629,303		19,098		—		48,062		114,036		95,499		—		905,998
Accumulated amortization	(532,155)		—		—		(34,818)		(24,828)		—		—		(591,801)
	97,148		19,098		—		13,244		89,208		95,499		—		314,197

Mining properties, net	$	193,659	$	298,126	$	79,910	$	37,931	$	145,328	$	97,845	$	—	$	852,799