USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Maricopa County
Big Spar Mine
Multiple Sources Confirmed Fluorine-Fluorite Mixed Underground / Surface
Key facts
- State
- Arizona
- County
- Maricopa
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Fluorine-Fluorite
- Verification
- Multiple Sources Confirmed
Also known as
- Big Star
Mine Location
Approximate AreaDocumented underground workings
-
Raise
— documented in 2 source records.
Arizona Geological Survey / ADMMR — "Big Spar Mine" -
Stope
— documented in 2 source records.
Arizona Geological Survey / ADMMR — "Big Spar Mine"
View individual source records (6)
Every underlying record used to build the summary above, for research/verification use.
-
Raise
Documented in Arizona Geological Survey / ADMMR PDF (“Big Spar Mine”). Evidence: PDF: a- . 3 taiAs unreplaeed wall roek which raises the sl ".l.ioaconteat above marketable limits.… -
Stope
Documented in Arizona Geological Survey / ADMMR PDF (“Big Spar Mine”). Evidence: PDF: om lon to ~~4tt thick, some of the flat stopes are asmuo11 as 3 thigh. p ..\t.~lr PRODUCTIOlj…
-
Raise
Big Spar Mine -
Stope
Big Spar Mine
- Derived from MRDS oper_type (existing operation): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_type
Verification
Multiple Sources Confirmed
Independent historical source evidence corroborates underground workings.
Why confirmed?
Confirmed by independent Arizona Geological Survey / ADMMR historical documentation describing underground workings, in addition to USGS MRDS catalog eligibility. Not a member field verification.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Daniel, William · Source-reported owner · 1945
- J. D. Campbell · Source-reported owner · 1945
Commodities & minerals
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Arizona Geological Survey / ADMMR
Type: Historical mine documents
Record: 1 historical document
Supports:
- historical mine identity
- historical mine documentation
- documented workings
Historical documentation does not imply current access or open workings.
Related underground mines
West End
Arizona · Maricopa County
Unconfirmed Fluorine-Fluorite Past Producer
Documented shaft evidence
Jumbo
Arizona · Maricopa County
Unconfirmed Fluorine-Fluorite Past Producer
Snowball
Arizona · Maricopa County
Unconfirmed Fluorine-Fluorite Past Producer
Documented shaft evidence
Lucky Strike
Arizona · Maricopa County
Unconfirmed Fluorine-Fluorite Past Producer
Documented shaft evidence