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h5. Beach Sand, Kovalam Beach, Kerala, |
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Kovalam Beach |
| Ilmenite, some garnet |
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Location:
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Kovalam Beach, Kerala, south-west tip of India
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Provenance:
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High-grade metamorphic and mafic to intermediary plutonic proterozoic rocks of the indian craton
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Composition:
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Black, metallic resplendend ilmenite (ca. 70%), partly euhedral; translucent, bright green titanite (?, ca. 10%), black red to pink translucent garnet (ca. 10%), commonly zircon (colourless, long-prismatic) and quartz (colourless)
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Petrographic thin section:
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| Opaque ilmenite dominates | |
Bright field |
| Dark field |
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Texture:
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Fine sand (ca. 170 µ), very well sorted, well to very well rounded
Sample number | Collector | Date of sampling |
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heubeck0075 | A. Deeken | 2004 |
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Comments:
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India
| !As7_kovalam_beach_Umgph.jpg|thumbnail! | | !Ilm_Sand Ind_mak.JPG|thumbnail! |
| Kovalam Beach \\
{table-cell:width=30%}
{table-cell} | Ilmenite, some garnet |
| *Location* \\ | Kovalam Beach, Kerala, south-west tip of India |
| *Depositional facies* \\ | _replace this with text about the dep facies_ |
| *Provenance* \\ | High-grade metamorphic and mafic to intermediary plutonic proterozoic rocks of the indian craton |
| *Composition* \\ | Black, metallic resplendend ilmenite (ca. 70%), partly euhedral; translucent, bright green titanite (?, ca. 10%), black red to pink translucent garnet (ca. 10%), commonly zircon (colourless, long-prismatic) and quartz (colourless) |
| *Texture* | Fine sand (ca. 170 µ), very well sorted, well to very well rounded |
h6. Petrographic thin section:
| *Description* | Opaque ilmenite dominates the image. This impression is reinforced in the dark field by garnets; merely some clinopyroxenes stand out with their coloures |
| !Indien_Ilm_ts_II.JPG|thumbnail! | | !Indien_Ilm_ts_x.JPG|thumbnail! |
| Bright field \\
{table-cell:width=30%}
{table-cell} | Dark field |
| *Sample number* | heubeck0075 |
| *Collector* | A. Deeken |
| *Date of sampling* | 2004 |
h6. Comments:
The existence of thorazite at Kovalam Beach is mentioned in Wikipedia, but is not certified. Famous locality for sand collectors.
The sand has been collected above the waterline
[Additional data page|geowisssand:0075 Additional data] |
