RockWoof
Check access before you go. Most sites listed here are old mines, quarries or prospects, and many are on private land or active mining claims. Get the landowner's permission, check the rules of the agency that manages any public land, and never enter mine workings. Locations are approximate.

Sketch map

Biggs Creek Prospects (Unknown)Iron-Titanium Occurrence + 1 more nearby (Occurrence)Iron-Titanium Occurrence (Occurrence)Iron Occurrence (Occurrence)Choteau Iron Deposit (Prospect)Iron-Titanium Occurrence (Occurrence)Titanium Occurrence (Occurrence)Iron-Titanium Occurrence (Occurrence)J. Robinson Deposit (Occurrence)Greenfield Lake Deposit (Occurrence)Freezeout Lake Deposit + 1 more nearby (Occurrence)
Past ProducerProducerProspectOccurrenceStatus unknown
11 paw pins; nearby sites are grouped into one pin. Hover or tap a pin for the site name. County outline: US Census Bureau cartographic boundary file (2023). Locations approximate.

Woof’s favorite find

Biggs Creek Prospects

We picked it because its USGS record mentions 1 gem or collectible mineral (Silver) and 1 of our card minerals overall. No other named site here scores as high on both counts. USGS lists it as unknown for Silver. Minerals mentioned: Silver. Approx. location 47.781, -112.808. USGS record.

Ask first: a USGS record doesn’t mean you can visit. Find out who owns the land and get permission before collecting.

Field cards: what kind of sites?

11
Occurrence

The mineral was noted here, without development.

1
Unknown

Status not recorded.

1
Prospect

Explored or test-dug, with no recorded production.

Status terms come from USGS MRDS records.

Mineral cards

Counts are sites whose USGS record mentions the mineral or commodity. Hardness from Mindat.

Minerals recorded here

No individual minerals are listed in these records.

Commodities

Iron 10REE 1Silver 1Titanium 1

Sites

SiteCommodityMinerals recordedStatusApprox. location
Freezeout Lake DepositIron—Occurrence47.659, -112.076
Iron-Titanium OccurrenceREE—Occurrence47.791, -112.552
Iron-Titanium OccurrenceIron—Occurrence47.986, -112.396
Biggs Creek ProspectsSilver—Unknown47.781, -112.808
Choteau Iron DepositTitanium—Prospect47.927, -112.325
Iron OccurrenceIron—Occurrence47.914, -112.374
Titanium-Iron OccurrenceIron—Occurrence47.656, -112.116
Iron-Titanium OccurrenceIron—Occurrence47.829, -112.235
Iron-Titanium OccurrenceIron—Occurrence48.112, -112.296
Theboe Lake - Fowler CreekIron—Occurrence47.794, -112.580
Greenfield Lake DepositIron—Occurrence47.662, -112.127
Titanium OccurrenceIron—Occurrence47.914, -112.245
J. Robinson DepositIron—Occurrence47.728, -112.141

Fossil collections

The Paleobiology Database lists 39 fossil collection records in Teton County. These are research records, not public dig sites.

Nearby counties

Pondera County · Glacier County · Lewis and Clark County · Powell County · Liberty County

Montana mineral guides

Back to all Montana counties.

Related articles

How we built this page: we counted named sites in the USGS Mineral Resources Data System (MRDS) for this area, left out sand, gravel, crushed stone, clay pits and unnamed sites, grouped them by Census county, and linked every site to its USGS record. We did not visit these sites, and MRDS does not tell you who owns the land or whether collecting is allowed.

Source: USGS Mineral Resources Data System (MRDS). USGS ceased systematic updates to MRDS around 2011, so status and details may be out of date. Each site links to its USGS record.

Updated