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A chip off the ol’ charnockite
Source info:
| Author: | |
|---|---|
| Date: | 2014-03-02 17:14:58 |
| Blog: | Mountain Beltway  |
| URL: | http://blogs.agu.org/mountainbeltway/2014/03/02/a-chip-off-the-ol-charnockite/ |
Summary:
We visited the Philip Carter Winery this weekend with family. Baxter and I were pleased to see outcrops of charnockite scattered over the property (located in the middle of the Blue Ridge geologic province). As any 18-month-old will tell you, charnockite is a pyroxene-bearing granitoid. It’s a distinctive and common rock type in Virginia’s Proterozoic basement complex. Here’s a close-up: The dark green is pyroxene. The white is plagioclase feldspar. …Content analysis:
Stratigraphic context:
| Recognized stratigraphic terms [n]: | Proterozoic [1] |
|---|---|
| Agenames chronostratigraphy [rating]: | Proterozoic [0.1] Precambrian [0.1] |
Geographic context:
| Location | Country | Latitude | Longitude |
|---|---|---|---|
| Blue Ridge | US | 37.3814 | -79.8037 |
Keywords:
Baxter, blue ridge, Blue Ridge geologic, chip, close-up, common rock type, dark green, family, geologic province, middle, ol charnockite, outcrops, Philip Carter Winery, plagioclase feldspar, property, Proterozoic basement complex, pyroxene-bearing granitoid, Virginia, weekend
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