...
mafic to intermediary volcano
Composition:
|
Coarse beach sand |
Pyroxene, hornblende, plagioclase, opaque ore minerals
...
...
Petrographic thin section:
...
...
mafic to intermediary volcano
|
Coarse beach sand |
Pyroxene, hornblende, plagioclase, opaque ore minerals
...
...
...