Mine detail: Neptune Group

Previously called 'Neptuno, Bonanza Group, Neptune-EdenVein Names: Atlas, Foundling, Neblina, Elefante Blanco, Lona Nueva,Neptune, Nugget, Washington, Guatuza, Tesoro, Toboba, Venus,Marsa ?, Bonanza'

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Location

Lat / long:

14.03422, -84.58326

Resource(M)

Primary:	Zinc, Copper, Lead
Secondary:	Silver, Gold
Ore:	Chalcopyrite, Galena, Gold
Gangue:	Chlorite, Pyrite, Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Metagalpa;Basement;Basement
Host type:	Shale,Siltstone,Limestone
Associated type:	Diorite
Structure:	Three Upthrown Blocks With Veins Separated By Two Downthrown Blocks; E-W Dip-Slip Faults With Small To Moderate Horizontal Displacement; Paleocaldera Structures?
Tectonic:	Chortis Block, Central Nicaragua Uplift
Alteration processes:	Slight Wallrock Replacement, Alteration Abundant

References

MRDS	W018936
DEP	10073109
Reference	{Deposit:: ROBERTS, R.J., IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA, U.S. GEOLOGICAL SURVEY BULL. 1034, P. 187-188}{Reserve-Resource:: MINING ANNUAL REVIEW, 1976, P. 355.}
Reporter	Schruben, Paul G., Page, Norman J., Venable, Margaret