Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Esmerelda Mine (Silver King; Emma group), Bourne (Cracker City), Baker County, Oregon, USAi
Regional Level Types
Esmerelda Mine (Silver King; Emma group)Mine
Bourne (Cracker City)- not defined -
Baker CountyCounty
OregonState
USACountry
Esmerelda Mine (Silver King; Emma group), Bourne (Cracker City), Cracker Creek Mining District, Oregon, USA

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Latitude & Longitude (WGS84):
44° 51' 55'' North , 118° 12' 59'' West
Latitude & Longitude (decimal):
44.86528,-118.21639
GeoHash:
G#: 9rgzjzmrn
GRN:
N30W62
Type:
Mine
Köppen climate type:
Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Sumpter203 (2017)13.3km
Haines418 (2017)22.5km
North Powder436 (2017)29.5km
Baker City9,752 (2017)31.7km
Union2,120 (2017)47.1km
Mindat Locality ID:
148756
Long-form identifier:
mindat:1:2:148756:8
GUID (UUID V4):
0


A As-Au-Ag mine located about 3 1/8 miles N of Bourne in the headwaters area of Cracker Creek.

Deposit Type: Vein

Host Rock Unit: Elkhorn Ridge Argillite

Host Rock: Hornfels, Argillite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ PyriteFeS2

Other Databases

Link to USGS MRDS:10033420

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Lindgren, Waldemar (1901), The Gold Belt of the Blue Mountains of Eastern Oregon, USGS Annual Report No. 22: 676.
(1939) Oregon metal mines handbook, northeastern Oregon — east half. Bulletin 14-A. Oregon Department of Geology and Mineral Industries p.97
Brooks, H.C. and others (1981), Map of the Geology and Gold Deposits of the Bourne Quadrangle, Baker and Grant Counties, Oregon, Oregon Department of Geology and Mineral Industries map GMS-19.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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