GRV 050202:一块含难熔包体与小行星表土角砾的普通球粒陨石
沈德汗, 王葆华, 宋光明, 李世杰

GRV 050202: An ordinary chondrite contains refractory inclusions and regolith breccia
Dehan Shen, Baohuang Wang, Guangming Song, Shijie Li
表2 平衡区域橄榄石、低钙辉石的电子探针分析结果
Table 2 Electron microprobe analyses of olivines and low?Ca pyroxenes in equilibrated area
编号氧化物含量(wt%)FaFs
Na2OMgOAl2O3SiO2P2O5K2OCaOTiO2V2O3Cr2O3MnOFeONiO总计(mol%)
橄榄石1<0.0438.10<0.0437.960.09-0.12<0.04<0.04<0.040.4522.52-99.3324.7
2<0.0438.99<0.0438.67<0.04<0.040.120.160.100.120.5222.77-101.5324.5
3<0.0438.26-38.22<0.04-0.120.04-0.280.4222.84<0.04100.2324.9
4<0.0438.68<0.0438.770.04-0.11-<0.040.040.4622.720.05100.9324.6
50.0638.48<0.0438.97--0.11-0.05<0.040.4622.72-100.8724.7
60.0538.68-38.40<0.04-0.11<0.04<0.040.040.4622.79<0.04100.6124.7
70.0838.73-38.450.08<0.040.09<0.04<0.040.060.4422.61<0.04100.6224.5
低钙辉石10.0428.590.1855.12<0.04-1.020.22<0.040.260.4613.73<0.0499.6521.1
20.0628.420.2054.53--1.000.18<0.040.510.4713.700.0499.1221.1
30.0428.700.1555.110.07<0.040.960.13-0.130.5113.61-99.4320.9
40.0528.230.1054.65--1.060.11-0.120.5013.23<0.0498.0820.7
50.0428.450.1754.98<0.04-1.040.15<0.040.190.4313.280.0498.7820.6
60.0828.060.1655.030.04<0.041.680.150.050.630.4513.430.0499.8221.0