Table 1 Silicon isotopic compositions of four CE-5 lunar bulk soil samples, one CE-5 lunar basalt clast sample, one CE-6 lunar bulk soil sample, one CE-6 clast sample, and six lunar meteorites in this study
From: Space weathering on the lunar nearside and farside constrained from Si isotopes
Sample | Type | δ30Si | 2SD | δ29Si | 2SD | n |
|---|---|---|---|---|---|---|
CE5C0100-YJFM00103 | Lunar soil of CE-5 | −0.05 | 0.05 | −0.02 | 0.05 | 3 |
−0.05 | 0.06 | 0.00 | 0.04 | 3 | ||
−0.04 | 0.05 | 0.00 | 0.02 | 3 | ||
Average | −0.05 | 0.05 | −0.01 | 0.04 | ||
CE5C0400-YJFM00405 | Lunar soil of CE-5 | −0.04 | 0.04 | 0.01 | 0.04 | 3 |
−0.03 | 0.06 | 0.01 | 0.04 | 3 | ||
−0.06 | 0.03 | 0.00 | 0.02 | 3 | ||
Average | −0.04 | 0.04 | 0.01 | 0.04 | ||
CE5C0400-YJFM00406 | Lunar soil of CE-5 | 0.00 | 0.05 | 0.02 | 0.08 | 3 |
0.01 | 0.01 | −0.01 | 0.03 | 3 | ||
−0.04 | 0.06 | −0.04 | 0.06 | 3 | ||
Average | −0.01 | 0.04 | −0.01 | 0.06 | ||
CE5C0600 | Lunar soil of CE-5 | −0.16 | 0.04 | −0.06 | 0.03 | 3 |
−0.12 | 0.03 | −0.05 | 0.06 | 6 | ||
Average | −0.13 | 0.03 | −0.05 | 0.05 | ||
CE5C0800YJYX038 | Lunar rock clast of CE-5 | −0.33 | 0.05 | −0.17 | 0.06 | 6 |
CE6C0400YJFM004-R003 | Lunar soil of CE-6 | 0.04 | 0.05 | 0.05 | 0.05 | 6 |
CE6C0400YJFM004-C047 | Lunar clasts in CE-6 soil | −0.17 | 0.01 | −0.07 | 0.06 | 6 |
NWA11273 | Feldspathic breccia | −0.25 | 0.01 | −0.13 | 0.07 | 3 |
DAG400 | Anorthositic breccia | −0.21 | 0.05 | −0.09 | 0.03 | 3 |
NWA5744 | Granulitic troctolitic breccia | −0.27 | 0.02 | −0.14 | 0.02 | 3 |
NWA10756 | Feldspathic breccia | −0.29 | 0.04 | −0.12 | 0.01 | 3 |
NWA12971 | Troctolitic melt rock | −0.19 | 0.04 | −0.11 | 0.03 | 9 |
NWA13582 | Feldspathic breccia | −0.20 | 0.03 | −0.04 | 0.04 | 12 |
BHVO-2 | Basalt | −0.29 | 0.02 | −0.14 | 0.03 | 3 |
−0.29 | 0.02 | −0.16 | 0.02 | 6 | ||
−0.29 | 0.03 | −0.14 | 0.02 | 6 | ||
AGV-2 | Andesite | −0.20 | 0.05 | −0.11 | 0.03 | 3 |
