Indonesia / Name of sample: IM-2

No.	District	Name of Pyroclastic Deposite	Age
058	Narai Sianot, Bukittinggi, West Sumatra, Indonesia	Maninjau pumice flow	70,000

Particle Size Distribution (wt%).

-0.038mm	-0.075mm	-0.15mm	-0.3mm	-0.6mm	-1.18mm	-2.36mm	-4.75mm
5.9	11.7	29.1	48.8	68.2	80.3	89.3	95.1

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

SiO2	Al2O3	Fe2O3	TiO2	CaO	MgO	Na2O	K2O	Ig.loss	Total	Content of Volcanic Glass
71.31	13.67	2.14	0.25	1.91	0.65	3.62	3.70	2.56	99.81	71.87

Chemical Compositions of Separated Vocanic Glass (wt%).

SiO2	Al2O3	Fe2O3	TiO2	CaO	MgO	Na2O	K2O	Ig.loss	Total
75.09	12.65	0.84	0.10	0.79	0.16	3.78	4.44	2.45	100.30