Note 3 - Property, Plant and Equipment

3 Months Ended

Mar. 31, 2024

Notes to Financial Statements

PROPERTY, PLANT AND EQUIPMENT

NOTE 3—PROPERTY, PLANT AND EQUIPMENT

Property, plant, and equipment, net consisted of the following:

(In thousands)	March 31, 2024		December 31, 2023
Plant and equipment	$	296,837	$	290,060
Mining property and mineral rights		120,532		120,532
Construction in process		23,010		13,984
Capitalized mine development costs		178,171		174,260
Less: accumulated depreciation, depletion, and amortization		(152,297)		(139,745)
Total property, plant, and equipment, net	$	466,253	$	459,091

Depreciation, depletion, and amortization included:

	Three months ended March 31,
(In thousands)	2024		2023
Depreciation of plant and equipment	$	8,821	$	6,769
Amortization of right of use assets (finance leases)		2,493		1,881
Amortization and depletion of capitalized
mine development costs and mineral rights		3,906		3,202
Total depreciation, depletion, and amortization	$	15,220	$	11,852