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h5. Volcanic beach sand, Devil's Island, |
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Devil's Island |
| Coarse beach sand |
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Location:
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Antarctica | !devils_island_ant_scen.jpg|thumbnail! | | !Devils_Isl_Antarc_mak.JPG|thumbnail! | | Devil's Island \\ {table-cell:width=30%} {table-cell} | Coarse beach sand | | *Location* \\ | Beach on Devil's Island, West Antarctica, (63°48'S, 057°17'W ; E. of James Ross |
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Provenance:
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mafic to intermediary volcano
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Composition:
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Pyroxene, hornblende, plagioclase, opaque ore minerals
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Petrographic thin section:
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In the bright field you can identify the olive green amphiboles and the black ore minerals. The translucent minerals in the dark field show coloures of first and second order; also the cleavability indicates clinopyroxenes
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Bright field |
| Dark field |
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Texture:
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Coarse sand (ca. 1500 µ), very poorly sorted, rounded
Sample number | Collector | Date of sampling |
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heubeck0069 | Dr. Bernd Weber, Potsdam | September 2005 |
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Comments:
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Island) |
| *Depositional facies* \\ | _replace this with text about the dep facies_ |
| *Provenance* \\ | Mafic to intermediary volcano |
| *Composition* \\ | Pyroxene, hornblende, plagioclase, opaque ore minerals |
| *Texture* | Coarse sand (ca. 1500 µ), very poorly sorted, rounded |
h6. Petrographic thin section:
| *Description* | In the bright field you can identify the olive green amphiboles and the black ore minerals. The translucent minerals in the dark field show coloures of first and second order; also the cleavability indicates clinopyroxenes |
| !Devils_Isl_ANT_ts_II_sm.jpg|thumbnail! | | !Devils_Isl_ANT_ts_x.JPG|thumbnail! |
| Bright field \\
{table-cell:width=30%}
{table-cell} | Dark field |
| *Sample number* | heubeck0069 |
| *Collector* | Dr. Bernd Weber, Potsdam |
| *Date of sampling* | September 2005 |
h6. Comments:
This beach sand is remarkable because of the predominance of physical weathering and the good preservation of chemically susceptible minerals
_replace this text with link to daughter page (Additional data page)_
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