Unidentified clay occurrence , Shonto, Cow Springs Mining District, Navajo Co., Arizona, USAi
|Regional Level Types|
|Unidentified clay occurrence ||Occurrence|
|Cow Springs Mining District||Mining District|
A clay occurrence located in sec. 5, T37N, R18E, G&SRM, 11.0 km (6.9 miles) ENE of Shonto.
Mineralization is a clay deposit hosted in Late Jurassic clastic sedimentary rock of the Morrison Formation. Local rocks include rocks of the Glen Canyon Group.
Appraisal as structural clay: good.
Regions containing this locality
|North America Plate||Tectonic Plate|
|Colorado Plateau, USA||Plateau|
|Navajo Nation Indian Reservation, USA||Reservation|
|Hopi-Navajo Indian Reservations, Colorado Plateau, Apache; Navajo and San Juan Cos., Arizona & Utah, USA|
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
Detailed Mineral List:
| ⓘ 'Clays'|
Reference: Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ: 25; Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file.
List of minerals arranged by Strunz 10th Edition classification
|Unclassified Minerals, Rocks, etc.|
List of minerals arranged by Dana 8th Edition classification
|Unclassified Minerals, Mixtures, etc.|
List of minerals for each chemical element
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
|Mesozoic sedimentary rocks|
Age: Mesozoic (174.1 - 237 Ma)
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. 
|Toarcian - Norian|
174.1 - 227 Ma
|Glen Canyon Group|
Age: Mesozoic (174.1 - 227 Ma)
Stratigraphic Name: Navajo Sandstone; Kayenta Formation; Moenave Formation
Description: Conspicuous red, cross-bedded Wingate Sandstone and the conspicuously cross-bedded, eolian, red to buff Navajo Sandstone form prominent cliffs in northern Arizona. These two sandstone units are separated by variably colored siltstone, silty sandstone, and sandstone of the Kayenta and Moenave Formations. (180-210 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.
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.