Neural network for determining an asteroid mineral composition from reflectance spectra

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Volume 669 (January 2023)

A&A, 669 (2023) A101

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Table D.1

Modal abundances and mineral chemical composition of the ion-irradiated pure olivine and pyroxene samples.

	Olivine				Orthopyroxene
	OL	OPX	CPX	Fa	OL	OPX	CPX	Fs
actual	100.0	0.0	0.0	9.9	0.0	94.4	5.6	32.9

fresh	98.8	1.1	0.0	9.8	0.1	92.3	7.6	16.5
1e14 H⁺ cm⁻²	98.8	1.1	0.0	9.6	–	–	–	–
1e15 H⁺ cm⁻²	98.8	1.1	0.0	9.9	–	–	–	–
1e16 H⁺ cm⁻²	98.7	1.2	0.0	10.7	0.1	88.0	11.9	15.3
1e17 H⁺ cm⁻²	98.8	1.1	0.0	11.4	0.0	79.8	20.2	10.1
2e17 H⁺ cm⁻²	99.5	0.3	0.2	18.2	0.0	71.3	28.7	7.3
5e17 H⁺ cm⁻²	99.2	0.5	0.3	12.3	0.0	71.8	28.2	6.9
1e18 H⁺ cm⁻²	99.2	0.4	0.4	14.2	0.0	62.6	37.4	5.1

fresh	99.2	0.8	0.0	7.7	0.0	75.0	25.0	16.2
1e16 He⁺ cm⁻²	99.0	1.0	0.0	12.2	0.0	74.3	25.7	16.9
3e16 He⁺ cm⁻²	98.5	1.5	0.0	16.0	0.0	75.9	24.1	16.5
6e16 He⁺ cm⁻²	99.3	0.7	0.0	16.5	0.0	80.1	19.8	15.5
1e17 He⁺ cm⁻²	99.7	0.3	0.0	19.7	0.0	79.0	21.0	15.0

fresh	99.3	0.7	0.1	10.4	0.2	90.0	9.8	20.7
1e15 Ar⁺ cm⁻²	99.3	0.7	0.1	11.4	0.3	92.8	6.9	20.9
3e15 Ar⁺ cm⁻²	99.3	0.7	0.0	14.3	0.3	93.8	5.9	19.6
6e15 Ar⁺ cm⁻²	99.4	0.6	0.0	14.3	0.4	95.2	4.4	19.6
1e16 Ar⁺ cm⁻²	99.4	0.6	0.0	15.3	0.2	93.7	6.2	20.6
2e16 Ar⁺ cm⁻²	99.4	0.5	0.0	17.9	0.4	94.7	4.9	19.8
6e16 Ar⁺ cm⁻²	99.6	0.4	0.0	19.2	0.1	90.7	9.2	18.4
1e17 Ar⁺ cm⁻²	99.6	0.4	0.0	21.3	0.0	82.1	17.8	15.1

Notes. Space-weathering designation from Chrbolková et al. (2021). Actual modal abundances of pyroxenes are in wt%.

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