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Daugherty Gulch, Bay Horse Mining District, Custer County, Idaho, USAi
Regional Level Types
Daugherty GulchGulch
Bay Horse Mining DistrictMining District
Custer CountyCounty
IdahoState
USACountry

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Latitude & Longitude (WGS84):
44° 32' 0'' North , 114° 21' 14'' West
Latitude & Longitude (decimal):
44.53333,-114.35389
GRN:
N30W60
Type:
Gulch
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Challis1,043 (2017)10.2km
Mindat Locality ID:
460016
Long-form identifier:
mindat:1:2:460016:2
GUID (UUID V4):
0


Daugherty Gulch lies within the Bayhorse Anticline, a NW-SE trending fold in the Bayhorse mining district (Ross 1937; Brennan et al. 2020). Bedrock includes slate, carbonate, and intrusive rocks, cut by Cretaceous granitic phases of the Idaho Batholith and partly overlain by Eocene Challis Volcanics (Hobbs et al. 1991; Krohe et al. 2020). Quaternary alluvium and colluvium are sourced from surrounding units: the Ramshorn Slate provides fine-grained, Fe-stained debris; the Bayhorse Dolomite contributes resistant carbonate blocks and scree; Challis Volcanic flows and dikes add angular volcanic fragments and ash-rich material; and weathered Idaho Batholith granodiorite/quartz monzonite yields coarse sandy-gravelly colluvium. These components produce heterogeneous gulch fill that reflects the complex lithologic assemblage exposed in the drainage.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2

List of minerals for each chemical element

CCarbon
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ DolomiteCaMg(CO3)2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
CaCalcium
Caⓘ DolomiteCaMg(CO3)2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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References

Ross, C.P. (1937) Geology & ore deposits of the Bayhorse region, Custer & Lemhi Counties, Idaho. USGS Bulletin 877, 161 p.
Hobbs, S.W., Hays, W.H., & McIntyre, D.H. (1991) Geologic map of the Bayhorse area, central Custer County, Idaho. USGS Miscellaneous Investigations Series Map I-1882, scale 1:48,000.
Brennan, D.T., Pearson, D.M., Link, P.K., & Chamberlain, K.R. (2020) Geologic Map of the Bayhorse Anticline, Custer County, Idaho. Idaho Geological Survey Technical Report T-20-01, scale 1:24,000.
Krohe, A., Pearson, D.M., & Link, P.K. (2020) Geologic Map of the Southern Clayton Quadrangle, Custer County, Idaho. Idaho Geological Survey Technical Report T-20-02, scale 1:24,000.
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