The Lavagnino Prospect is a mine located in Calaveras county, California.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Lavagnino Prospect MRDS details
Site Name
Primary: Lavagnino Prospect
Commodity
Tertiary: Manganese
Location
State: California
County: Calaveras
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: ORE GRADE 48 PERCENT MANGANESE
Materials
Ore: Psilomelane
Comments
Comment (Location): LOCATED IN NE 1/4 NE 1/4 SECTION 4
Comment (Workings): ONE OLD PIT 10X6' AND 3'DEEP. THE PIT NOW EXPOSES ONLY GRAY PHYLLITE OR SLATE; SAID TO HAVE EXPOSED A MANGANESE BED, BUT THIS PART OF THE PIT IS NOW CAVED.
Comment (Geology): GEOL.DESC: FEW FRAGMENTS OF LOW-GRADE MANGANESE ORE ON THE DUMP; ORE IS MOSTLY HARD, BLUE-BLACK PSILOMELANE; SOME IS FAIRLY HIGH GRADE, AND SOME CONTAINS CONSIDERABLE PATCHES OF FLESH-PINK CHERT. ASSAYS OF SPECIMENS QUOTED AS CONTAINING 48% MN. GREY PHYLLITE OR SLATE IS ONLY ROCK EXPOSED IN PIT; STRIKING N 45 W AND DIPPING 60 NE. MANGANESE BED NOT EXPOSED DUE TO CAVING OF PIT.
References
Reference (Deposit): CALIF. COUNTY REPT. NO. 2 , P. 212 , AND PL. D; USGS MR-23 ; MAP GQ-222 ; MAP GP-561
Reference (Deposit): CALIF. B. 152, P. 46; B. 125, P. 107; SP. REPT. 41, P.52 AND PL.3
Reference (Deposit): EC MINERAL MAP NO.5, 1943
Reference (Deposit): USBM R,I. 5579, P.22
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.