Concha Limestone occurrence, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
|Latitude & Longitude (WGS84):||31° 41' 4'' North , 110° 57' 29'' West|
|Latitude & Longitude (decimal):||31.6844444444, -110.958055556|
|Other regions containing this locality:||Sonoran Desert, North America|
Ref.: Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
MRDS database Dep. ID file #10024113, MRDS ID #I008446.
A Limestone occurrence located in sec. 13, T20S, R13E; and, secs. 18 & 19, T20S, R14E, in the western extreme of the Tyndall District, partially on National Forest land.
Mineralization is sedimentary Concha Limestone.
This 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 data will improve over time as more accurate maps and data sets are added.
|Late Cretaceous66 - 100.5 Ma||Late Cretaceous plutonic: felsic and intermediate rocks|
Plutonic: felsic and intermediate rocks
|Cretaceous66 - 145 Ma||Cretaceous plutonic rocks|
Deep-seated to high-level intrusions are included. Many charnockites, anorthosites, and large ophiolites, classified as plutons, are distinguished in the database using the SIGNIF item. Ophiolites were classified as plutons, even where remnants may be extrusive and/or sedimentary.
|Paleozoic252.17 - 541 Ma||Paleozoic sedimentary rocks|
References for regional geology:
Data provided by Macrostrat.org
Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .
USGS compilers. State geologic map data. State Maps.
Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.