AMN 46,1 Table 1. Newly Classified Meteorites

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Home Antarctic MeteoritesAntarctic Meteorite NewslettersAMN 46,1 Table 1. Newly Classified Meteorites
Volume 46 No. 1 – March 2023

Table 1. Newly Classified Antarctic Meteorites

Sample Number Weight (g) Classification
Magnetic Susceptibility
DOM 18048 55.0H6 CHONDRITEB/CeB/C19175.040
DOM 18049 45.3L6 CHONDRITE BB244.680
DOM 18200 30.0H5 CHONDRITE BB18164.970
DOM 18201 17.4L5 CHONDRITE BeA/B244.640
DOM 18202 30.6H5 CHONDRITE BeB195.020
DOM 18203 14.1L6 CHONDRITE A/BB/C244.460
DOM 18204 12.2L6 CHONDRITE B/CB/C254.640
DOM 18206 6.9L6 CHONDRITE B/CeB/C24214.020
DOM 18207 11.4L5 CHONDRITE B/CA/B244.560
DOM 18208 14.6L6 CHONDRITE B/CB/C24204.610
DOM 18209 8.5L5 CHONDRITE BA/B24214.730
DOM 18230 40.0H6 CHONDRITEB/CB19175.090
DOM 18231 43.4L5 CHONDRITE BA24214.490
DOM 18232 55.6H6 CHONDRITEB/CA/B19175.080
DOM 18233 28.2H6 CHONDRITEB/CA/B19175.020
DOM 18234 43.4H6 CHONDRITEB/CA/B185.310
DOM 18235 53.6H6 CHONDRITEB/CA/B19175.070
DOM 18236 75.1H5 CHONDRITE B/CA19175.000
DOM 18237 67.7L5 CHONDRITE BeA24204.710
DOM 18238 34.9L5 CHONDRITE BA24214.590
DOM 18239 85.9L5 CHONDRITE BA/B24214.710
DOM 18240 56.8H5 CHONDRITE B/CeA/B19165.220
DOM 18241 41.2L5 CHONDRITE BB24204.650
DOM 18243 32.0H5 CHONDRITE B/CB18165.060
DOM 18245 96.0L6 CHONDRITE BeB/C25214.220
DOM 18246 66.7H6 CHONDRITEB/CA/B19175.080
DOM 18247 52.2H6 CHONDRITEB/CA/B19175.120
DOM 18248 51.0L5 CHONDRITE B/CB/C24204.760
DOM 18249 62.7H5 CHONDRITE BB17165.080
DOM 18250 47.1L5 CHONDRITE BeB/C24214.620
DOM 18251 34.3L6 CHONDRITE BA/B24214.770
DOM 18252 72.5L5 CHONDRITE B/CeB/C24214.640
DOM 18253 61.2L4 CHONDRITE B/CeB/C24214.680
DOM 18254 46.1H6 CHONDRITEB/CB19175.100
DOM 18256 40.2L5 CHONDRITE BB/C24204.630
DOM 18257 60.7H4 CHONDRITE B/CB18165.030
DOM 18258 18.4L5 CHONDRITE B/CB24214.540
DOM 18259 9.7L6 CHONDRITE B/CeB24214.570
DOM 18260 49.6L5 CHONDRITE BB/C25214.530
DOM 18261 41.0H5 CHONDRITE B/CA/B19174.950
DOM 18263 32.5H5 CHONDRITE BB19174.980
DOM 18264 32.4L5 CHONDRITE BB/C25224.560
DOM 18265 36.1H6 CHONDRITEB/CB/C20174.960
DOM 18266 34.2L5 CHONDRITE BeA/B25214.640
DOM 18267 61.0LL5 CHONDRITE B/CB28264.550
DOM 18268 30.8H6 CHONDRITEB/CA/B20185.030
DOM 18269 99.2IRON-UNGROUPED BA5.380
DOM 18280 21.0L5 CHONDRITE B/CeB25204.570
DOM 18281 59.8L5 CHONDRITE B/CB24214.730
DOM 18282 35.2H6 CHONDRITEB/CeB/C19174.940
DOM 18283 40.2L5 CHONDRITE B/CeB/C25214.540
DOM 18284 28.5H5 CHONDRITE B/CeB20184.910
DOM 18285 37.8H6 CHONDRITEB/CeB19174.900
DOM 18287 46.5H4 CHONDRITE B/CB19174.870
DOM 18288 63.9H4 CHONDRITE BB19175.080
DOM 18289 23.0L5 CHONDRITE B/CB25205.010
DOM 18300 11.1L6 CHONDRITE B/CeB26244.270
DOM 18301 10.0H5 CHONDRITE B/CeB20174.940
DOM 18302 11.5H6 CHONDRITEB/CB19174.960
DOM 18305 30.9H5 CHONDRITE B/CeA/B19174.960
DOM 18306 15.4L6 CHONDRITE B/CeA/B25214.130
DOM 18307 11.3H6 CHONDRITEB/CB/C20174.890
DOM 18308 13.9L6 CHONDRITE B/CB264.870
DOM 18309 24.5H6 CHONDRITEB/CeB/C204.900
DOM 18340 8.9L6 CHONDRITE B/CA/B26224.810
DOM 18341 7.3L6 CHONDRITE BeA/B26224.520
DOM 18342 7.6H6 CHONDRITEB/CeA19174.940
DOM 18343 27.0L5 CHONDRITE B/CeA25214.590
DOM 18344 5.7L6 CHONDRITE BA/B25214.740
DOM 18345 9.8H6 CHONDRITEB/CeA20174.930
DOM 18346 10.9H6 CHONDRITEBA20174.950
DOM 18347 23.9H6 CHONDRITEB/CA20175.000
DOM 18348 7.8CBb CHONDRITEBeA1-45.660
DOM 18349 6.0L6 CHONDRITE B/CA25205.070
DOM 18358 13.8L5 CHONDRITE A/BA24214.530
DOM 18396 5.8CM2 CHONDRITE A/BA3013.960
DOM 18430 2.3L6 CHONDRITE B/CeB264.640
DOM 18431 3.2L5 CHONDRITE B/CB24214.420
DOM 18432 2.9H6 CHONDRITEB/CA/B19174.960
DOM 18433 2.3L5 CHONDRITE B/CB25214.490
DOM 18434 2.0L5 CHONDRITE B/CB25214.530
DOM 18435 5.0L5 CHONDRITE B/CB25214.620
DOM 18436 3.1L6 CHONDRITE B/CB25214.520
DOM 18437 3.0H5 CHONDRITE B/CB/C20185.150
DOM 18438 3.4H5 CHONDRITE B/CeB19175.020
DOM 18439 3.8L5 CHONDRITE B/CB/C25214.650
DOM 18450 2.4L5 CHONDRITE B/CB25214.500
DOM 18451 4.7H6 CHONDRITEB/CeB19175.210
DOM 18452 2.5L6 CHONDRITE B/CB25214.560
DOM 18453 1.5L5 CHONDRITE B/CB25214.590
DOM 18454 2.5H5 CHONDRITE B/CB19175.150
DOM 18455 1.5L5 CHONDRITE B/CA/B24214.340
DOM 18456 5.5H6 CHONDRITEB/CB/C20174.900
DOM 18457 7.1H6 CHONDRITEB/CeB20174.910
DOM 18458 3.5L5 CHONDRITE B/CB25214.560
DOM 18459 3.9H6 CHONDRITEB/CeB20174.950
DOM 18470 2.6H6 CHONDRITEB/CeB20174.950
DOM 18471 2.7L5 CHONDRITE B/CB25214.540
DOM 18472 0.8L6 CHONDRITE B/CeB/C25224.580
DOM 18473 10.3L6 CHONDRITE B/CB/C24214.520
DOM 18474 8.9L5 CHONDRITE B/CeB/C25214.560
DOM 18475 9.6L5 CHONDRITE B/CB/C254.600
DOM 18476 6.6L5 CHONDRITE BB25214.630
DOM 18477 10.5L5 CHONDRITE B/CB25214.650
DOM 18478 24.3L5 CHONDRITE B/CB25214.500
DOM 18479 24.5H6 CHONDRITEB/CB18165.100
DOM 18658 18.6H6 CHONDRITEB/CeB/C20175.050
DOM 18677 8.7H6 CHONDRITEB/CA19175.050
DOM 18720 21.3H6 CHONDRITEB/CeA19175.050
DOM 18863 2.0L6 CHONDRITE B/CA24215.080
DOM 19210 12.3L5 CHONDRITE B/CA/B24214.670
DOM 19211 7.2L5 CHONDRITE BB24214.830
DOM 19212 2.8LL6 CHONDRITE B/CB30254.970
DOM 19213 4.4H6 CHONDRITEB/CB17164.170
DOM 19214 3.4H5 CHONDRITE B/CB20174.970
DOM 19215 1.4H5 CHONDRITE B/CeA/B19174.790
DOM 19216 2.0L5 CHONDRITE B/CA/B25214.540
DOM 19217 7.2L5 CHONDRITE B/CB25214.680
DOM 19218 5.2L6 CHONDRITE B/CB25214.450
DOM 19219 8.2L5 CHONDRITE B/CB25214.630
DOM 19220 16.1H5 CHONDRITE B/CA19175.040
DOM 19221 19.2H5 CHONDRITE B/CA/B19163.890
DOM 19222 6.3H6 CHONDRITEB/CA20175.020
DOM 19223 9.0H6 CHONDRITEB/CeA19175.090
DOM 19224 6.7H6 CHONDRITEB/CA19174.930
DOM 19225 2.5L5 CHONDRITE B/CeA/B25214.500
DOM 19226 1.1L5 CHONDRITE B/CA25214.490
DOM 19227 3.0L5 CHONDRITE B/CA/B25214.600
DOM 19228 1.3L6 CHONDRITE B/CA/B25224.620
DOM 19229 2.4L6 CHONDRITE B/CB25214.990
DOM 19240 8.0H6 CHONDRITEB/CA/B19174.890
DOM 19241 14.6H6 CHONDRITEB/CA/B20165.000
DOM 19242 4.3H6 CHONDRITEB/CA/B19174.910
DOM 19243 7.1H6 CHONDRITEB/CA19165.010
DOM 19244 6.9L5 CHONDRITE B/CA24214.590
DOM 19245 9.6L5 CHONDRITE BA25214.560
DOM 19246 12.6H6 CHONDRITEB/CA19164.900
DOM 19247 9.4H5 CHONDRITE B/CA/B19174.990
DOM 19248 6.4H5 CHONDRITE B/CA/B19174.970
DOM 19249 8.3H6 CHONDRITEB/CA18164.500

Classification of achondrites, carbonaceous chondrites and other unusual chondrites was done using electron microprobe analysis. Classification of the ordinary chondrites in Table 1 & 2 was done by Energy Dispersive Spectroscopic (EDS) methods using a Scanning Electron Microscope (SEM). This can include the analysis of several olivine and pyroxene grains to determine the approximate Fayalite and Ferrosilite values of the silicates, grouping them into H, L or LL chondrites. Petrologic types are determined by optical microscopy and are assigned based on the distinctiveness of chondrule boundaries on broken surfaces of a 1-3 g chip. While this technique is suitable for general characterization and delineation of equilibrated ordinary chondrites, those undertaking detailed study of any meteorite classified by optical methods alone should use caution. It is recommended that a polished thin section be requested to accompany any chip and appropriate steps for a more detailed characterization should be undertaken by the user. (Cari Corrigan, Smithsonian Institution)