Mine detail: Ulster Mine

Previously called ''

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Location

Lat / long:

44.36302, -103.88614

Resource(B)

Primary:	Gold
Secondary:	Silver
Tertiary:	Fluorine-Fluorite
Ore:	Fluorite

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
First production started:	1897

Geology

Host rock:	Pahasapa Limestone
Host type:	Limestone
Associated rock:	Porphyry Sills And Dikes
Associated type:	Plutonic Rock

References

MRDS	SD02159
DEP	10055573
Reference	US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688
Reporter	Barari, Rachel A.