Volcanic beach sand, Devil's Island, Antarctica
Pictures of sampling site and depositional facies
...
Location:
...
Location of sample, geographic area
...
Provenance:
...
Provenance of the sand, description of sedimentation route....
...
Composition:
...
|
| |
Devil's Island | coarse-grained beach sand |
Location | Beach on Devil's Island, West Antarctica, 63°48'S, 057°17'W ; east of James Ross Island) |
Depositional facies | high-energy shoreline |
Provenance | mafic to intermediary volcanic |
Composition | pyroxene, hornblende, plagioclase, opaque ore minerals |
Texture | oarse-grained (mean ca. 1500 µ), very poorly sorted, rounded |
...
Petrographic thin section:
Pictures of thin sections
...
Texture:
...
Texture of the grains, ecc.
...
Sample Number:
...
number of the sample
...
Collector:
...
Collector of the sand, Institution
...
Date:
...
Date of sampling
...
Comments:
...
Description | Olive-green amphiboles and the black ore minerals are visible in the bright-field image. The translucent minerals in the dark field show the distinct first- and second-order colors and the cleavage of clinopyroxenes |
|
| |
Bright field | Dark field |
Sample number | heubeck0069 |
Collector | Dr. Bernd Weber, Potsdam |
Date of sampling | September 2005 |
...
Comments:
...
The composition of this beach sand is remarkable because of the the good preservation and dominace of minerals sensitive to chemical weathering
Additional data pageFurther comments on the sand, depositional history, ecc.
