Regions containing this locality
|North America Plate||Tectonic Plate|
|Fort Apache Indian Reservation, Arizona, USA||Reservation|
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded from this region.
Mineral ListMineral list contains entries from the region specified including sub-localities
1 valid mineral.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List TypeAlphabetical List Tree Diagram
Detailed Mineral List:
| ⓘ Hematite|
Locality: Cow Creek deposit (Cow Creek hematite deposit), Swamp Creek Mountain, Apache Iron Mining District, Navajo Co., Arizona, USA
Reference: Moore, R.T. (1968), AZ Bur. of Mines Bull. 177: 35.
List of minerals arranged by Strunz 10th Edition classification
|Group 4 - Oxides and Hydroxides|
List of minerals arranged by Dana 8th Edition classification
|Group 4 - SIMPLE OXIDES|
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
251.902 - 298.9 Ma
|Paleozoic sedimentary rocks|
Age: Phanerozoic (251.902 - 298.9 Ma)
Lithology: Sedimentary rocks
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. 
|Cryogenian - Ectasian|
635 - 1400 Ma
|Middle Proterozoic sedimentary rocks|
Age: Proterozoic (635 - 1400 Ma)
Stratigraphic Name: Grand Canyon Supergroup; Chuar Group; Unkar Group; Apache Group; Troy Quartzite
Description: Red-brown shale and sandstone, buff to orange quartzite, limestone, basalt, black shale, and sparse conglomerate. This unit includes the Grand Canyon Supergroup, Apache Group, and Troy Quartzite. These rocks were deposited in shallow marine, coastal nonmarine, and fluvial settings. (700-1300)
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.