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Eagle's Nest Mine (Mystery Wind Mine), Sage Hill, Michigan Bluff Mining District (Michigan Bluff Mining deposit), Placer Co., California, USAi
Regional Level Types
Eagle's Nest Mine (Mystery Wind Mine)Mine
Sage HillHill
Michigan Bluff Mining District (Michigan Bluff Mining deposit)Mining District
Placer Co.County
CaliforniaState
USACountry

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Key
Latitude & Longitude (WGS84):
39° 1' 24'' North , 120° 46' 32'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Foresthill1,483 (2011)3.7km
Georgetown2,367 (2011)14.1km
Colfax2,005 (2017)17.5km
Auburn Lake Trails3,426 (2011)19.5km
Alta610 (2011)20.6km


A lode Au occurrence/mine located in sec. 29 & in the SE¼ sec. 30, T14N, R11E, MDM, about 2.2 km SW of Sage Hill and about 8 km (4.8 miles) ENE of Foresthill, along Ladys Canyon, on French Meadow Road, on private land. The Eagle's Nest was a discovery pit at the top and some adits lower down in a five-level deposit of crystallized gold. The De Maria Mine is also on this deposit.

NOTE: Specifics regarding this mine's location are based on the data for the De Maria Mine at the lowest level of the same deposit.

The Mystery Wind Mine does not exist as a separate mine (Dona Leicht, pers. comm.) and was a made-up name used to conceal the origin of the specimens as was Eagle's Nest. (Wayne Leicht, pers. comm.) Both Mystery Wind and Eagle's Nest specimens are from the upper levels of the De Maria property and should be labelled Eagle's Nest as that was the published locality.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Dolomite
Formula: CaMg(CO3)2
Gold
Formula: Au
Habit: Small sharp octos to a cm, Dendrites, plates and wires to many cm
Colour: gold
Fluorescence: none
Description: Crystal cluster with milky quartz, 8 inches Many of the pure gold "floaters" were leached from quartz
Reference: MinRec.:20(5):387 & 31:20.
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Reference: No reference listed

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

CCarbon
C DolomiteCaMg(CO3)2
OOxygen
O QuartzSiO2
O DolomiteCaMg(CO3)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
SiSilicon
Si QuartzSiO2
SSulfur
S PyriteFeS2
CaCalcium
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mineralogical Record (1989) 20(5): 387.
Leicht, W. and Cook, R. (2004) The Eagle's Nest mine, Placer County, California. The Mineralogical Record, 35(1), 65-72.

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate
USA

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