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California · Inyo County

Round Valley Mine

Unconfirmed Tungsten Mixed Underground / Surface 1 mapped shaft 2 mapped adits

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Key facts

State
California
County
Inyo
Mining district
Bishop
Development status
Past Producer
Mine type
Mixed underground / surface
Primary commodity
Tungsten
Verification
Unconfirmed

Also known as

  • Silver Ball, Little Shot, Tungsten Hill Mine Dmea-2256, Silver Bell, Big Shot, Noble's Camp, Haco, Western Tungsten Mine

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A former W mine located in the SE¼ sec. 34 and sec. 35, T6S, R31E (MDM), 9.1 km (5.6 miles) WNW of West Bishop, 5.3 km (3.3 miles) SSE of Round Valley, on the northern tip of the Tungsten Hills, on private land (locasted claim). Discovered in 1917. Ope…

View full locality record on Mindat

Additional documented workings

  • Adit — documented in 1 source record.
    USGS Historical Topographic Mine Features

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 1 shaft symbol
  • 2 adit symbols
  • Adit : Rovana , 1983
View individual source records (4)

Every underlying record used to build the summary above, for research/verification use.

  • Adit
    Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
  • USGS MRDS working type: Underground
  • MRDS work_type documents underground workings: Underground · work_type
  • MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_type

Verification

Unconfirmed

Source records support underground workings, but UndergroundMines has not yet independently verified this mine.

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Why it's listed

Source records document both underground and surface mining.

View sources & evidence

History & operations

Historical record

  • Development status: Past Producer

Operators / organizations

  • James B Bennett-Roundvalley Tung · Historical operator · 1972

Commodities & minerals

Reported minerals

  • Calcite
  • Galena
  • Garnet
  • Garnet Group
  • Hornblende Root Name Group
  • Pyroxene Group
  • Quartz
  • Ramdohrite
View all 9 reported minerals
  • Calcite
  • Galena
  • Garnet
  • Garnet Group
  • Hornblende Root Name Group
  • Pyroxene Group
  • Quartz
  • Ramdohrite
  • Scheelite

Access & recent conditions

Land
unknown

Community reports

No community field reports yet.

I Visited This Mine

Sources & evidence

USGS Mineral Resources Data System

Type: Historical mine record

Supports:

  • mine identity
  • development status
  • commodities
  • underground eligibility evidence

USGS Historical Topographic Mine Features

Type: Historical mapped physical features

Dataset: DOI 10.5066/P9TAALR6

Supports:

  • mapped shaft symbols (1)
  • mapped adit symbols (2)

Historical mapped features may no longer exist.

Dataset information

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 79088

Supports:

  • locality identity
  • reported minerals (6)

A Mindat locality match does not by itself establish underground workings.

View on Mindat

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