Plagioclase: WM01

Title: Plagioclase: WM01
Description: Hand sample:
Type: Igneous Rock
Prominent mineral: Plagioclase (80%)
Typical grain size:
Igneous Texture: Chatoyant; Zoning;

Thin Section:
Mineral: Plagioclase (50%) Alkali feldspar (40%)
The colorful part shown in thin section may be the chatoyant texture observed in hand sample.
When I was grinding my rock, I might not have cleaned the wheel very well so my rock is scratched, which is the dark lines shown in thin section. When I was grinding my almost-thin section, I grinded it for too long, and half of my rock is gone. Because I grinded the thin section too hard, so some of the holes shown in thin section may not be sieve texture, but the one tan colored mineral may have a sieve texture.
Creator: 8585
Mediator: Tamara Carley

Media: https://exhibits.lafayette.edu/geology/files/original/bb6a349132afa2ea3bd2195ffcf6f982.JPG; https://exhibits.lafayette.edu/geology/files/original/8c6d8b7f6ba2bc54a3f56125ccb3c218.JPG; https://exhibits.lafayette.edu/geology/files/original/7f94f983df15be297efd7c0ac89db57d.JPG; https://exhibits.lafayette.edu/geology/files/original/a7db86a7e078fdbeb6f3af7ddfbfcabf.JPG; https://exhibits.lafayette.edu/geology/files/original/b41d11cf5343616b866b911a252d2a42.JPG; https://exhibits.lafayette.edu/geology/files/original/e7691a1c7c4680379bfda7ab425338cc.JPG; https://exhibits.lafayette.edu/geology/files/original/4a5939c31600a860699b86ee3813fe0e.JPG; https://exhibits.lafayette.edu/geology/files/original/6bccbe28a94c490ec07cb5ed957d3444.JPG

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