Lavina Mine, Goodsprings, Goodsprings District, Spring Mts, Clark Co., Nevada, USA
|Latitude & Longitude (WGS84):||35° 50' 40'' North , 115° 28' 42'' West|
|Latitude & Longitude (decimal):||35.84444,-115.47833|
|Köppen climate type:||BWk : Cold desert climate|
A former Au-Ag-Cu-Pb mine located in sec. 21, T24S, R58E, MDM, 4.2 km (2.6 miles) WNW of Goodsprings and E of Shenandoah Peak (E of the Alice and Yellow Pine Mines), on private land within a Bureau of Land Management administered area. First produced in 1934. MRDS database stated accuracy for this location is 10 meters.
Mineralization is a deposit (Mineral occurrence model information: Model code 85; USGS model code 22c; Deposit model name: Polymetallic veins; Mark3 model number 46) hosted in Paleocene granite. A dike was intruded along the contact thrust with forced tongues in the underneath block. Mineral group was uncommon, and workings reveal the extent and relations of one of the granite porphyry intrusions. Pyrite ore. Local rocks include dolomite, limestone, and minor amounts of sandstone and quartzite.
Regional geologic structures include large scale overthrusts.
Workings include underground openings with an overall depth of 53.34 meters.
Anlytical data results: Sulfide-bearing quartz veins showed 0.4 ounce Au/ton and 1.0 ounce Ag/ton & 3% Cu. Porphyry with disseminated pyrite contained less than 0.04 ounce Au/ton.
10 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Quaternary - Miocene|
0 - 23.03 Ma
|Cenozoic sedimentary rocks|
Age: Cenozoic (0 - 23.03 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
|Middle Devonian - Furongian|
382.7 - 497 Ma
|Undivided and Metamorphosed Carbonate Shelf Sequence Rocks - Dolomite and limestone|
Age: Paleozoic (382.7 - 497 Ma)
Stratigraphic Name: Goodsprings Dolomite
Description: Lower Paleozoic dolomite and limestone present in southeastern Lincoln and Clark Counties are grouped together into unit DCc. The lower Paleozoic section is too thin to map regionally as individual units, and the structure is too complex in these rocks to accurately portray the individual units at this scale. In part of Clark County, these rocks are referred to as the Goodsprings Dolomite. In the Mormon Mountains of Lincoln County, these rocks are overlain by Mississippian carbonate (Mc). In Clark County in the Spring Mountains, they are overlain by the Devonian Sultan Limestone (Dc).
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.