Picnic Area. Describe the rock exposed in the Picnic Area: Minerals:__________- ______________ _________ _______Теxture:___________What type of rock would you call this____________---:Which unit is this?______________Please describe how this rock formed:__________________-How deep in the crust did it form?._______________-It formed 70 million years ago. During which Period is this ?=?Which Era?_______ Watch Video #16: The country rock in this area is Paleozoic limestone.Near the granite pluton, limestone would be metamorphosed into what type of rock?_____ Watch Video #17:Which mineral would exhibit magnetic behavior?_____________Please list four common ore minerals that contain copper and are bluish in color (use the web?):____________-___________________________ Which is a bluish copper-bearing mineral that is a common gemstone?__________________---
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