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Beach
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Sand,
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Kovalam
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Beach,
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Kerala
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State,
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India
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Kovalam Beach | 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 |
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Petrographic thin section:
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Description | Opaque ilmenite dominates the image. This impression is reinforced in the dark field by garnets; merely some clinopyroxenes stand out with their coloures |
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Bright field | Dark field |
Sample number | heubeck0075 |
Collector | A. Deeken |
Date of sampling | 2004 |
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Comments:
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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
