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Round Rock Mesa Clay deposit, Round Rock, Apache Co., Arizona, USAi
Regional Level Types
Round Rock Mesa Clay depositMesa
Round RockVillage
Apache Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 29' 40'' North , 109° 33' 12'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Round Rock789 (2011)7.4km
Many Farms1,348 (2011)16.8km
Rock Point642 (2011)25.7km
Rough Rock414 (2011)30.2km
Lukachukai1,701 (2011)30.3km


A bentonite clay deposit located in the S½ sec. 34, T36N, R26E, G&SRM, 7.4 km (4.6 miles) WSW of Round Rock.

Mineralization in bentonite clay hosted in Late Triassic clastic sedimentary rock of the Chinle formation. Local rocks include rocks of the Chinle Formation.

Workings include surface openings comprised of a clay pit.

Regions containing this locality

North America PlateTectonic Plate
Colorado Plateau, USAPlateau
Navajo Nation Indian Reservation, USAReservation
Hopi-Navajo Indian Reservations, Colorado Plateau, Apache & Navajo Cos., Arizona, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Clays'
Reference: USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10056429.

List of minerals arranged by Strunz 10th Edition classification

Unclassified Minerals, Rocks, etc.
'Clays'-

List of minerals arranged by Dana 8th Edition classification

Unclassified Minerals, Mixtures, etc.
'Clays'-

List of minerals for each chemical element

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Norian - Carnian
208.5 - 237 Ma



ID: 2819208
Chinle Formation

Age: Late Triassic (208.5 - 237 Ma)

Stratigraphic Name: Chinle Formation

Description: Colorful mudstone, such as in the Painted Desert, and less abundant lenses of sandstone and conglomerate, deposited by a large river system. This unit typically is eroded into badlands topography and contains clays that are prone to shrinking and swelling. (210-230 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{mudstone}, Minor:{sandstone,conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Phillips, K.A. (1987), Arizona Industrial Minerals Arizona Department of Mines and Mineral Resources Mineral Report 4.
Peirce, H.W. (1990), Arizona Geological Survey Industrial Minerals card file.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10056429.
USGS crib list record #TC00235.

USGS MRDS Record:10056429
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