Beach Sand, Kovalam Beach, Kerala, India
| |
|
Kovalam Beach |
| Ilmenite, some garnet |
Location:
Kovalam Beach, Kerala, south-west tip of India
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)
Petrographic thin section:
| Opaque ilmenite dominates |
|
Bright field |
| Dark field |
Texture:
Fine sand (ca. 170 µ), very well sorted, well to very well rounded
Sample number | Collector | Date of sampling |
---|---|---|
heubeck0075 | A. Deeken | 2004 |
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