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Exploration expense

6 Months Ended

Jun. 30, 2023

Mineral Industries Disclosures [Abstract]

10. Exploration expense:


	Three Months Ended June 30,				Six Months Ended June 30,
Project	2023		2022		2023		2022
Santa Cruz, USA	$	15,043	$	14,763	$	29,725	$	24,561
San Matias, Colombia	10,109		3,397		14,767		5,773
Tintic, USA	1,954		407		3,075		696
Hog Heaven, USA	416		308		1,054		868
Carolina, USA	790		514		1,028		514
White Hill, USA (Note a)	259		—		750		—
Pinaya, Peru	493		1,465		650		2,151
Lincoln, USA	182		326		477		339
Generative exploration and other	3,305		2,683		7,584		6,284
Total	$	32,551	$	23,863	$	59,110	$	41,186

(a)White Hill project:

On February 22, 2023, the Company entered into an agreement with Exiro Minerals USA Corp. (“Exiro”) which gives the Company the right to earn an 80% interest in the White Hill Project located in the Gillis Range, Mineral County, Nevada, by incurring $10.0 million of expenditures and making payments to Exiro totaling $5.0 million ($3.6 million in cash and $1.4 million in our common stock) within six years of signing the agreement.