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1 非平衡区域橄榄石、低钙辉石的电子探针分析结果
Table 1 Electron microprobe analyses of olivines and low?Ca pyroxenes in unequilibrated area
编 号氧化物含量(wt%)FaFs
Na2OMgOAl2O3SiO2P2O5K2OCaOTiO2V2O3Cr2O3MnOFeONiO总计(mol%)
橄 榄 石Ⅱ型球粒A?1<0.0421.91-34.51\---\0.090.7641.56-98.8451.3
Ⅱ型球粒A?2-22.61<0.0434.89\-<0.04-\0.050.8340.32-98.7149.8
Ⅱ型球粒A?3<0.0422.14-34.95\---\0.060.7741.40-99.3451.0
Ⅱ型球粒B?40.0430.45<0.0436.80\-<0.04-\0.090.3130.96-98.6936.1
Ⅱ型球粒B?5<0.0431.660.0437.07\-<0.04-\<0.040.3230.020.0799.2334.5
Ⅱ型球粒C?6-37.940.0438.18\<0.04<0.040.11\<0.040.4621.81<0.0498.5824.2
Ⅱ型球粒C?7<0.0437.210.0638.47\-<0.040.14\<0.040.4622.03<0.0498.4324.7
Ⅱ型球粒C?8<0.0437.700.0538.43\-<0.040.15\<0.040.4421.98<0.0498.8224.5
9-41.30<0.0439.06-0.050.04<0.04-0.040.4319.93<0.04100.9021.1
10<0.0451.30<0.0441.90-<0.040.13--0.340.277.27<0.04101.297.3
11<0.0440.18-39.190.06<0.040.07<0.04--0.5320.56<0.04100.6822.1
12<0.0450.08-41.35<0.04-0.07-0.050.080.238.51<0.04100.438.6
130.0439.98<0.0439.19<0.04-0.08-<0.040.050.4420.81-100.6522.4
14<0.0439.34-39.110.06-0.06---0.4521.79-100.8223.5
150.0441.66<0.0439.50<0.04<0.040.05-<0.04-0.3818.99<0.04100.7120.2
16<0.0435.07<0.0437.700.11<0.040.05-<0.040.050.4827.00<0.04100.5630.0
170.0534.72<0.0437.760.10<0.040.05<0.040.08<0.040.4227.49<0.04100.7630.6
18<0.0439.03-39.05-<0.040.08<0.040.080.040.5221.79-100.6723.7
190.0439.22<0.0439.08-<0.040.10<0.04-0.050.5221.78-100.8423.6
200.0936.710.3035.950.06<0.040.180.240.083.020.4222.30-99.3525.2
210.0441.18<0.0439.63<0.040.040.05<0.04<0.040.050.4819.510.07101.0920.8
220.0539.65<0.0439.08--<0.04<0.04-<0.040.5321.81<0.04101.2323.4
23-39.62<0.0439.00-<0.040.06<0.04-<0.040.5521.33-100.6323.0
24<0.0452.90<0.0441.95<0.04-0.08--0.130.214.52<0.0499.864.5
25<0.0451.77-41.61-<0.040.10<0.04<0.040.420.304.60-98.884.7
260.0643.550.0539.54<0.04<0.040.110.04<0.040.130.3915.640.0799.6216.6
27<0.0453.310.1041.630.050.040.440.07-0.05<0.042.650.2598.612.7
280.0451.02-41.03<0.04-0.07-<0.04<0.040.196.60-99.036.7
29<0.0454.110.0941.93<0.04-0.13<0.04-0.180.092.660.0699.282.7
300.0548.67<0.0440.33<0.04<0.040.06-<0.040.190.509.10<0.0498.999.4
31<0.0454.88-42.12--0.09--0.150.091.03<0.0498.411.0
32<0.0454.280.0741.660.04-0.36<0.040.060.180.121.53<0.0498.341.5
低 钙 辉 石10.9338.366.9044.04-0.144.120.14-0.240.106.600.08101.658.7
20.1341.590.3755.95<0.04<0.040.29--0.680.040.86<0.0499.971.1
3<0.0432.480.1457.48-<0.040.40<0.04-0.690.678.26-100.1912.4
4<0.0434.750.0858.28<0.04<0.040.31-<0.040.530.445.40-99.878.0
50.0532.820.2057.68<0.04<0.040.47-<0.040.660.717.610.05100.3311.4
6-37.080.2258.69--0.210.06<0.040.520.252.55<0.0499.603.7
70.1232.520.3055.96-0.090.61--0.400.337.75-98.0611.7
8-36.790.4557.440.050.040.40<0.040.050.540.093.080.4599.384.4