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Click below to read the Rockstone Research Report, published June 19th 2019, about the new vanadium district in Nevada.

Rockstone Research Report #7


The Vanadium Claims Group (VCG) project totals 980 acres and consists of two properties located in Clark County, Nevada. The project is located in the Goodsprings Mining District, a historical mining district with 34 reported occurrences of vanadium mineralization. Access to the properties is excellent using dirt roads and trails. Fuel, lodging and material are available with 20 kms of the properties. The properties are within a 30-minute drive from Las Vegas, Nevada.

This area was mapped and information on all the mineral showings located in the district was compiled and recorded by the USGS publication “Ore Deposits Of the Goodsprings Nevada, 1931, D.F. Hewett.

The first property measures approximately 1.6 km by 1.0 km covering a number of reported vanadium showing exposed in outcrop and in old mine workings. The USGS report states: “One mine (located within the claim group) however did ship 14 tons of material to the American Vanadium Company.” Information on the vanadium content of the shipment is not available.

The second covers an area measuring approximately 1.6 km by 1.0 km with reported vanadium mineralization and a significant number of old workings. No exploration has been completed on the two groups.

USGS Historical Report

The mining district was mapped by the USGS in the 1920’s. The USGS report makes the following comment “Vanadates are uncommonly widespread in the district” and that significant concentrations of vanadium were shipped from the district in the form of mine concentrates and bulk shipments. The USGS report also mentions several other references to vanadium mineralization in the district:

  • concentrates reported to contain 15% V2O5
  • 3.75% V205 over 2.3m
  • 3m wide zone estimated to run up to 10% V2O5

The USGS described the styles of mineralization within the district and recorded a significant number of vanadium occurrences containing vanadinite, descloizite, cuprodescloizite, psittacinite and other unnamed vanadium minerals.

The USGS reported that a number of outcrops from within the two areas covered by the VCG project contained vanadium mineralization and that shipments of vanadium mineralization were made from one of the areas now covered by the VCG project.

Vanadium Deposits & Target Grades

The most important vanadium bearing minerals are vanadinite (19% V2O5), descloizite (22% V2O5), cuprodescloizite (17-22% V2O5), carnotite (20% V2O5), roscoelite (21-29% V2O5), and patronite (17-29% V2O5).

The vanadium mineralization exposed within the VCG project belongs to the Exogenic type vanadium deposits characterized by typically higher grade (2-10% V2O5) mineralization; the vanadium minerals descloizite, cuprodescloizite and vanadinite and occur in oxidation zones of lead-zinc and copper mineralization.

Vanadium minerals recognized in the district include; vanadinite, descloizite, cuprodescolizite, psittacinite and other unnamed vanadium minerals. Hewett reported 34 occurrences of vanadium mineralization occur throughout the District and stated that “Vanadates are uncommonly widespread in the district”.

Vanadium concentrations are reported in mine concentrates, bulk shipments and outcrops. No reference to exploration for vanadium mineralization were noted. It appears that the Goodsprings District has not been systematically explored for Vanadium mineralization.

Geology & Mineralization

These claims surround the former producing Springer Mine and Tiffin Mine and are underlain by Mississippian/Pennsylvanian age Monte Cristo Limestone, Birdsprings Limestone and outliers of Miocene age andesite/latite/rhyolite flows. Late north trending mica Lamprophyres dikes cross cut the limestone units. The Singer and Tiffin mines were former small scale lead-zinc producers (+/- 1,000 tons ore shipped, most likely hand cobbed) that operated in the 1920’s. These workings are held by patented claims and are surrounded by the property.