Meta. Home | Alpha. | Simp.Class. | Intro. | Glos. | Kinds | Classify | Texture | Keys | Barrovian | Tect. | Self Tests
  
GNEISS #1   (detail)
Gneiss     -   Other specific examples: #1 | #2 | #3 | #4
Return to whole image
>>>  Return to previous
>>>  On to next specimen


Return to:
Alphabetical Listing
Basic Key
Advanced Key
Composition
NORMAL
Quartz
Feldspar
Biotite
Amphibol
e
ACCESSORY
In red if present

Garnet
Staurolite
Description
     In this closeup the separation of the dark and light layers is not as clear as it appears in the larger image. Still, clearly the light colored zones are largely uncontaminated with dark minerals, which is characteristic of gneiss.
  

LSF Home | Geology Web Sites | Courses | Geology Home
Last Update: 10/25/00

e-mail: (Fichtels@jmu.edu)