Ashe Formation

Where did the rock come from?: Northwestern North Carolina

What does the rock look like up close?:

What does the rock look like from different angles?:

Chemical and analytical data: Na2O 2.83 - MgO 13.29 - Al2O3 21.4 - SiO2 43.67 - K2O .18 - CaO 2.33 - TiO2 1.73 - MnO .26 - FeO 13.62 - Total 100.

Is the rock igneous, metamorphic or sedmintary?:

How old is the rock?: Mid to late Proterozoic Eon, 1,100,000,000 to 900,000,000 years ago

Sample of rock under microscope in light and polarized light:

In what plate tectonic setting did this form?: Fault line between North and South America, Mid- Late Proterozoic (1.1 - .9 Ga)

What does this rock look like when it has been polished?:

What are some of the industrial uses of this rock?:

Map Number: 25

Contact

Director
Dr. Andrew Heckert
(828) 262-7609
heckertab@appstate.edu

Location
108 Rankin Science South
572 Rivers Street
Boone, NC 28608

Hours
Open: 8 a.m. to 5 p.m. M-F (during semester)
Closed: Weekends, University holidays, weather closures

Department of Geology
Website

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