Indonesia / Name of sample: AO-2

No.	District	Name of Pyroclastic Deposite	Age
060	Cidamar, Bogor, West Java, Indonesia	Obsidian	?

Particle Size Distribution (wt%).

-0.038mm	-0.075mm	-0.15mm	-0.3mm	-0.6mm	-1.18mm	-2.36mm	-4.75mm
-	-	-	-	-	-	-	-

Chemical Compositions and Content of Volcanic Glass (wt%).

SiO2	Al2O3	Fe2O3	TiO2	CaO	MgO	Na2O	K2O	Ig.loss	Total	Content of Volcanic Glass
77.29	12.03	1.17	0.12	1.07	0.13	3.50	3.86	0.84	100.01	-