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Antler Mine

Custer County, South Dakota
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Next site in South DakotaDot Lode · 1 mi

Can I collect here?

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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

4 minerals
MicaMicaPlagioclasePlagioclaseQuartzQuartz

Also recorded: tourmaline.

Nearby sites

All of South Dakota
1 miDot LodeFeldspar1 miPot LodeFeldspar, mica, quartz, tourmaline2 miSeal MineMica

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Where else it is found

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About Antler Mine

Antler Mine is a historic mining site in Custer, South Dakota, documented by the USGS Mineral Resources Data System. The mineralization is hosted in Schist, within the Southern Black Hills setting. Reported specimens include Mica, Plagioclase, Quartz, Tourmaline; logged ore minerals are Mica; gangue is recorded as Plagioclase, Quartz, Tourmaline. Workings are surface/underground.

Geology and deposit

Host rock
Schist
Associated rock
Pegmatite
Tectonic setting
Southern Black Hills
Ore minerals
Mica
Gangue minerals
PlagioclaseQuartzTourmaline

Mining history

Status
Past Producer
Workings
Surface/Underground
Production size
Small

Records and references

Cited references

U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.

Data: USGS Mineral Resources Data System, record 10011973 — view the source record

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Questions about Antler Mine

Can you collect at Antler Mine?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at Antler Mine?

Mica, plagioclase, quartz and tourmaline.

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Meteorite nearbyA 445 g iron meteorite was found at Fairburn in 1907, 25 miles from here.

Source: USGS Mineral Resources Data System.

Photos: Mica by Robert M. Lavinsky, CC BY-SA 3.0; Plagioclase by James St. John, CC BY 2.0; Quartz by Robert M. Lavinsky, CC BY-SA 3.0.