Sample |
Description |
Mineralogy |
T2_121597 |
Phaneritic granite; thin,
discontinuous surface coating and thin aeolian mantle on top surface. |
quartz; plagioclase, hornblende,
mica |
T4_121597 |
Carbonate clast; cobble-size;
dissolution pits and aeolian sediment on top; some clasts are etched on
both sides. |
calcium carbonate |
T5_121597 |
Black gabbro; aligned mica
grains on cleavage planes; red varnish on dorsal face; wind-abraded exterior. |
muscovite |
T6_121597 |
Well indurated sample from
tufa bar; carbonate cement with etched exposed surfaces; Angular clasts
range in size from coarse sand to coarse pebble. |
calcium carbonate; various
in clasts |
P7_121597 |
Brown, semi-indurated playa
clasts; generally fine grain size with minor aeolian sand particles included. |
predominantly clay |
C8_121597 |
Clasts from the friable
carbonate-cemented conglomerate; grain size ranged from fine pebbles to
small cobbles. |
calcium carbonate; various
in clasts |
G9_121597 |
Gneiss fragments with carbonate
cement from gneissic outcrop with tufa cap; phaneritic; aeolian coating
on exposed surfaces. |
quartz, plagioclase, muscovite |
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Naming convention: Site
Code, Station Number_Date |
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T: Tufa Traverse |
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P: Playa |
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C: Conglomerate |
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G: Gneiss Outcrop |
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