Description of an aerodynamic levitation apparatus with applications in Earth sciences

Table 1 Results of EPMA measurements of levitated and fused USGS rock standards.

Sample	Times fused	SiO₂	TiO₂	Al₂O₃	MnO	Fe₂O₃	MgO	CaO	Na₂O	K₂O	Total
BIR-2	1×	46.5	0.91	15.0	0.18	13.0	9.47	12.91	1.81	0.03	99.86
	2×	47.7	0.95	15.6	0.17	11.3	9.62	13.10	1.48	0.02	99.94
	3×	47.5	0.95	15.8	0.18	11.1	9.69	13.23	1.09	0.02	99.63
	4×	47.4	0.95	16.0	0.17	11.2	9.93	13.47	0.57	0.02	99.69
BHVO-2	1×	49.6	2.68	13.5	0.17	12.2	7.25	11.09	2.16	0.48	99.16
	2×	49.7	2.69	13.8	0.16	12.3	7.23	11.27	1.81	0.41	99.25
	3×	49.7	2.82	14.2	0.18	12.2	7.42	11.59	1.22	0.27	99.63
	4×	49.7	2.86	14.3	0.18	12.3	7.50	11.73	1.09	0.25	99.93
AGV-2	1×	60.0	1.04	17.9	0.11	6.8	1.84	5.31	3.36	2.44	98.82
	2×	59.7	1.07	18.4	0.10	6.7	1.86	5.40	3.19	2.22	98.74
	3×	60.4	1.09	18.8	0.10	6.7	1.90	5.48	2.86	2.10	99.40
	4×	57.4	1.25	21.7	0.11	7.1	2.21	6.25	1.79	1.42	99.18
BCR-2	1×	54.7	2.30	13.9	0.18	13.6	3.65	7.12	2.54	1.41	99.36
	2×	54.9	2.30	14.2	0.19	13.8	3.67	7.30	2.10	1.31	99.72
	3×	54.1	2.50	15.2	0.23	14.1	4.01	7.87	1.02	0.72	99.80
	4×	51.3	2.76	17.1	0.24	14.5	4.49	8.80	0.40	0.31	99.85
W-2	1×	52.1	0.88	15.5	0.16	10.8	6.71	10.90	2.22	0.58	99.77
	2×	52.0	1.03	16.2	0.16	10.8	6.52	11.10	1.63	0.47	99.81
	3×	51.4	1.10	16.3	0.17	10.8	6.71	11.21	1.59	0.41	99.69
	4×	51.4	1.14	16.6	0.16	10.9	6.78	11.40	1.12	0.31	99.81
GSP-2	1×	66.0	0.76	17.7	0.04	4.6	1.10	2.45	1.65	3.76	98.02
	2×	63.2	0.87	20.3	0.05	4.8	1.23	2.67	1.49	3.50	98.03
	3×	62.7	0.92	20.7	0.06	4.7	1.26	2.79	1.42	3.28	97.87
	4×	62.8	0.91	21.5	0.04	4.8	1.30	2.84	1.02	2.89	98.08
RGM-1	1×	73.0	0.28	14.6	0.04	1.9	0.28	1.25	3.55	4.05	98.94
	2×	71.9	0.31	15.8	0.05	1.9	0.33	1.38	2.86	3.62	98.12
	3×	69.7	0.35	18.5	0.05	2.0	0.34	1.58	2.54	3.32	98.39
	4×	67.9	0.36	20.4	0.05	2.2	0.40	1.77	2.33	3.23	98.61

The samples were fused between once and 4 times (1× - 4×). All data are given in wt.% of the oxides.

ISSN: 1467-4866