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Tumey Hills, Fresno Co., California, USAi
Regional Level Types
Tumey HillsGroup of Hills
Fresno Co.County
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
36° 32' 6'' North , 120° 39' 32'' West
Latitude & Longitude (decimal):
Locality type:
Group of Hills
Nearest Settlements:
PlacePopulationDistance
Three Rocks246 (2011)24.2km
Cantua Creek466 (2011)30.8km
Mendota11,430 (2017)34.7km
Tranquillity799 (2011)38.4km
Firebaugh8,330 (2017)40.3km


A range of hills on the eastern margin of the Diablo Range.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

3 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

Bassanite
Formula: Ca(SO4) · 0.5H2O
Description: As chalky alterations of gypsum. Locally abundant.
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 285.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 285.
Opal
Formula: SiO2 · nH2O
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10212435.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Bassanite7.CD.45Ca(SO4) · 0.5H2O
Gypsum7.CD.40CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H BassaniteCa(SO4) · 0.5H2O
H GypsumCaSO4 · 2H2O
H OpalSiO2 · nH2O
OOxygen
O BassaniteCa(SO4) · 0.5H2O
O GypsumCaSO4 · 2H2O
O OpalSiO2 · nH2O
SiSilicon
Si OpalSiO2 · nH2O
SSulfur
S BassaniteCa(SO4) · 0.5H2O
S GypsumCaSO4 · 2H2O
CaCalcium
Ca BassaniteCa(SO4) · 0.5H2O
Ca GypsumCaSO4 · 2H2O

Localities in this Region

Other Regions, Features and Areas containing this locality

North America
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.
 
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