Graduation day of 2 medecin students here

It's a graduation day of Khmers Islam. We all enjoy taking photograph together. Wow!!! there are many Khmers in Yogyakarta city right? Of course.

What is the type of this rock?

If you don't know let me cheat you, it's is sedimentary rock from marine because we can see some fossil in this formation. Believe it?

First time to the field

This picture took in Bayat field to see sedimentary rock, metamorphic rock and igneous rock. In the beginning of September.