Arizona · Pinal County

Big Mine

Source Corroborated Barium-Barite Mixed Underground / Surface 2 mapped shafts

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Key facts

State: Arizona
County: Pinal
Development status: Occurrence
Mine type: Mixed underground / surface
Primary commodity: Barium-Barite
Verification: Source Corroborated

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

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

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

2 shaft symbols

Shaft : Chief Butte , 1988

View individual source records (3)

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

Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.

USGS MRDS working type: Surface/Underground

MRDS work_type documents underground workings: Surface/Underground · work_type

Verification

Source Corroborated

Additional historical source evidence corroborates this record. This is not a member field verification of current conditions.

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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: Occurrence

Commodities & minerals

Reported minerals

Illite
Quartz
Barite
Chrysocolla
Galena
Malachite

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