Location: | Nicaragua, North America |
Lat / long: | 13.96756, -84.68327 |
dep_id: | 10061690 |
mrds_id: | TC34627 |
Commodity type: | metallic |
Major mineral: | Zinc, Gold, Silver, Lead, Copper |
Trace mineral: | Cadmium |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Chalcopyrite, Galena, Sphalerite |
gangue: | Epidote, Hematite, Quartz |
alteration: | Wall Rock Altered To Epidote, Calcite, Chlorite, Clay |
conc_proc: | Pb Decreases And Cu Increases With Depth (Cu And Pb May Differ In Age?); Quartz-Chlorite-Pyrite-Au To Sw, Base Metal-Quartz To Ne. Weak Secondary Enrichment Of Copper. |
ore_ctrl: | Faults; Ore Shoots Often In Vein Junctions And Branch Points; Secondary Enrichment In Oxide Zone (50-100 M). |
Reporter: | Carbonaro, Marguerite M. (Venable, M.) |
hrock_unit: | Metagalpa;Basement;Basement |
hrock_type: | Marble,Shale,Siltstone,Limestone |
arock_type: | Diorite |
Structure: | Three Upthrown Blocks With Veins Separated By Two Downthrown Blocks; E-W Dip-Slip Faults With Small To Moderate Displacement; Paleocaldera Structures? |
tectonic: | Chortis Block, Central Nicaraguan Uplift |
disc_yr: | 1955 |
References: |
- ROBERTS, R.J., AND IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1034, P. 187-188
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