Preliminary mapping of the Upper Santa Cruz basin study area
![Preliminary mapping of the Upper Santa Cruz basin study area](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Santacrz_shade_revised.jpg?itok=U4XfIPP9)
Detailed Description
Preliminary compilation of existing geologic mapping in study area: red and pink colors generally represent Cenozoic volcanic and intrusive rocks; green, purple, and blue colors are Mesozoic and Paleozoic sedimentary, volcanic, and intrusive rocks; yellow colors are Quaternary and Tertiary basin-fill deposits; and tan and brown colors are Proterozoic igneous rocks.
Sources/Usage
Public Domain.