AMN 46,2 Table 1. Newly Classified Meteorites

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Home Antarctic MeteoritesAntarctic Meteorite NewslettersAMN 46,2 Table 1. Newly Classified Meteorites
Volume 46 No. 2 – September 2023

Table 1. Newly Classified Antarctic Meteorites

Sample Number Weight (g) Classification
Magnetic Susceptibility
DOM 18001probe 1820.0H5 Chondrite B/CB19165.000
DOM 18005 1074.5H6 ChondriteB/CA20175.280
DOM 18007probe 964.3H4 Chondrite B/CA/B18165.330
DOM 18011 366.2H6 ChondriteB/CeA20175.200
DOM 18012 196.9L6 Chondrite B/CA25204.810
DOM 18014 282.8L6 Chondrite B/CA/B25224.680
DOM 18015probe 303.5L5 Chondrite B/CA/B24204.420
DOM 18016 298.5L6 Chondrite B/CA25224.810
DOM 18017 249.5L6 Chondrite B/CA/B25214.800
DOM 18018 401.9L5 Chondrite B/CA/B25224.470
DOM 18025 129.5H6 ChondriteB/CA20174.830
DOM 18026 108.4L5 Chondrite BA25215.090
DOM 18028 148.0H5 Chondrite BB19174.940
DOM 18029 168.2L6 Chondrite BA/B26224.770
DOM 18030 99.9H6 ChondriteB/CA20175.240
DOM 18031 81.4LL6 Chondrite A/BA/B29243.920
DOM 18032 66.8L6 Chondrite B/CA26234.350
DOM 18040probe 62.0H4 Chondrite B/CA/B1812-165.070
DOM 18041 59.4H5 Chondrite B/CA20165.080
DOM 18042probe 90.5H4 Chondrite BA18165.080
DOM 18043 54.2L5 Chondrite BA26214.610
DOM 18044 124.0L6 Chondrite BA/B26224.860
DOM 18060 100.2L5 Chondrite BA/B26214.650
DOM 18061 113.1L5 Chondrite A/BA26224.720
DOM 18062 111.5H6 ChondriteB/CA20185.230
DOM 18063 132.8H5 Chondrite B/CA19175.260
DOM 18064 82.3L5 Chondrite A/BA25224.740
DOM 18065 121.0H6 ChondriteB/CA/B195.210
DOM 18066 79.8L6 Chondrite BA/B25224.620
DOM 18067 47.3L6 Chondrite A/BA25214.660
DOM 18068 98.8L5 Chondrite B/CA25224.620
DOM 18090 24.6L5 Chondrite A/BA25224.550
DOM 18091 22.1L6 Chondrite A/BA25204.540
DOM 18092 30.0L5 Chondrite A/BA25224.640
DOM 18094 23.8L6 Chondrite A/BA26224.580
DOM 18095 24.6L6 Chondrite B/CA25224.510
DOM 18096 16.1L6 Chondrite B/CA26224.510
DOM 18098 44.5L6 Chondrite A/BA25214.660
DOM 18099 10.1L6 Chondrite B/CA26224.510
DOM 18110 8.0L6 Chondrite B/CB/C25224.480
DOM 18111 17.2L6 Chondrite B/CB/C25224.620
DOM 18112 18.2L5 Chondrite B/CB26214.620
DOM 18113 20.3L6 Chondrite B/CB25214.550
DOM 18114 20.7L5 Chondrite B/CB25224.600
DOM 18115probe 27.1L4 Chondrite B/CB/C24204.570
DOM 18116 10.8L6 Chondrite B/CB25214.630
DOM 18117 14.9L6 Chondrite B/CB/C25214.580
DOM 18118 10.0L6 Chondrite B/CB26224.660
DOM 18119 22.4L6 Chondrite B/CeB25224.570
DOM 18132probe 7.6L5 Chondrite B/CB/C24204.600
DOM 18133 15.1L5 Chondrite B/CB/C25214.580
DOM 18134 17.2L6 Chondrite B/CB26224.610
DOM 18135 26.6L6 Chondrite B/CB25214.660
DOM 18136 25.4L6 Chondrite B/CB/C25224.540
DOM 18137probe 30.2L5 Chondrite B/CeB/C24204.400
DOM 18138 31.8H6 ChondriteB/CB20175.090
DOM 18139 19.0L6 Chondrite B/CB25214.670
DOM 18170 7.0L6 Chondrite B/CA26234.560
DOM 18171 15.2L6 Chondrite A/BA26224.590
DOM 18172 8.3L6 Chondrite A/BA25224.610
DOM 18174 9.1H6 ChondriteB/cA19175.120
DOM 18175 18.2L5 Chondrite B/CA25224.550
DOM 18176 12.7L6 Chondrite B/CA25214.570
DOM 18177 15.1L6 Chondrite B/CA25224.490
DOM 18178 15.1L6 Chondrite B/CA25224.640
DOM 18179 17.0L6 Chondrite BA25224.580
DOM 18190 20.5L6 Chondrite B/CeB/C25234.610
DOM 18191 28.8L6 Chondrite B/CB/C25204.590
DOM 18192 26.3H5 Chondrite B/CB19164.890
DOM 18193 26.9L6 Chondrite B/CB/C26224.560
DOM 18194 14.0L6 Chondrite B/CB/C25224.550
DOM 18195 22.7L6 Chondrite B/CeB25204.530
DOM 18196 15.0L6 Chondrite B/CeB/C25214.530
DOM 18197probe 12.0L5 Chondrite B/CB/C24204.540
DOM 18198 16.3L6 Chondrite B/CB26214.470
DOM 18199 10.5L6 Chondrite B/CeB25214.460
DOM 18270 26.6L6 Chondrite B/CA25214.820
DOM 18271 33.3L6 Chondrite A/BA25224.860
DOM 18272 62.1L6 Chondrite A/BA/B25215.030
DOM 18273 23.7H6 ChondriteB/CeA18174.960
DOM 18274 39.7L6 Chondrite BA/B26214.990
DOM 18275 51.6L6 Chondrite BA25224.840
DOM 18276 39.5L5 Chondrite BA25224.830
DOM 18277 105.3L6 Chondrite A/BA/B25225.150
DOM 18278probe 52.5L6 Chondrite B/CeB24205.330
DOM 18279 34.8L5 Chondrite A/BC25214.660
DOM 18290 73.8L6 Chondrite B/CB224.450
DOM 18294 36.2H6 ChondriteB/CeB/C20164.820
DOM 18295 23.5H6 ChondriteB/CeB20154.950
DOM 18296 37.9L6 Chondrite B/CA/B25224.240
DOM 18297 25.8H6 ChondriteB/CeB/C20174.830
DOM 18298 35.7H5 Chondrite BB19165.000
DOM 18299 60.0L6 Chondrite B/CeA/B25224.710
DOM 18310 36.4H6 ChondriteB/CeA/B20165.110
DOM 18311 12.3H6 ChondriteB/CA/B19174.940
DOM 18312 16.5H5 Chondrite B/CA20185.050
DOM 18313 33.4H6 ChondriteB/CA20164.860
DOM 18314 42.6H5 Chondrite A/BB19175.050
DOM 18315 42.6H6 ChondriteB/CA/B20175.070
DOM 18316 33.1H6 ChondriteB/CA19175.080
DOM 18317 15.5H6 ChondriteB/CeA20174.890
DOM 18318 22.6H6 ChondriteB/CA19174.780
DOM 18319probe 33.9CO3 Chondrite AeA/B1-441-84.780
DOM 18320 19.9H6 ChondriteB/CA20165.100
DOM 18321 15.6H6 ChondriteB/cA19154.720
DOM 18322 26.2H6 ChondriteB/CA20174.940
DOM 18323 22.8H6 ChondriteB/CA20174.900
DOM 18324probe 30.8H5 Chondrite B/CA18164.980
DOM 18325 12.8H6 ChondriteB/CA20174.880
DOM 18326 33.8H6 ChondriteB/CA20175.070
DOM 18327 18.1H6 ChondriteB/CA20175.070
DOM 18328 25.7H5 Chondrite B/CA19154.980
DOM 18330 25.8H6 ChondriteBA/B20184.920
DOM 18331 23.6H6 ChondriteB/CB19164.800
DOM 18332 29.9H6 ChondriteBA/B20164.780
DOM 18333 19.4H6 ChondriteBeA20174.880
DOM 18334probe 18.1L5 Chondrite A/BeA/B24204.430
DOM 18335 19.7L5 Chondrite BA/B26224.620
DOM 18336probe 21.3H4 Chondrite B/CeA/B18164.690
DOM 18337 19.0L6 Chondrite BeA25224.570
DOM 18338 14.3L6 Chondrite BA25224.510
DOM 18339 37.5L5 Chondrite A/BA/B26224.480
DOM 18370probe 1.1H6 ChondriteBA18164.530
DOM 18371probe 4.2H5 Chondrite B/CA18165.010
DOM 18372 6.5H6 ChondriteB/CeA20164.920
DOM 18373 3.5H5 Chondrite B/CA19164.610
DOM 18374 3.0L6 Chondrite B/CA26214.360
DOM 18375probe 2.4H4 Chondrite A/BA17165.020
DOM 18376 5.9L5 Chondrite B/CA26214.290
DOM 18377 3.5H6 ChondriteBA20164.800
DOM 18378 4.1H6 ChondriteBA19164.980
DOM 18379 2.8H6 ChondriteB/CA19164.850
DOM 18380probe 3.9H4 Chondrite AeA/B18164.640
DOM 18382 12.9H5 Chondrite BA19164.720
DOM 18383 7.6H6 ChondriteB/CeA/B20174.680
DOM 18384 10.1L6 Chondrite BA25224.640
DOM 18386 14.7L5 Chondrite B/CA25224.670
DOM 18387 12.1H6 ChondriteB/CA20164.710
DOM 18390 24.1L6 Chondrite BA25224.530
DOM 18391 11.5L5 Chondrite BA26224.470
DOM 18392 21.3L5 Chondrite B/CA26224.580
DOM 18393 10.5L6 Chondrite BA26224.580
DOM 18394 16.3L5 Chondrite BA26214.660
DOM 18395 17.5L6 Chondrite A/BA25214.700
DOM 18397 24.5L6 Chondrite A/BA26214.590
DOM 18398 19.9L5 Chondrite A/BA26224.680
DOM 18399 18.8L5 Chondrite BA25224.560
DOM 18500 8.1L6 Chondrite BA25224.620
DOM 18501 9.9L6 Chondrite BA26204.630
DOM 18502 5.0L6 Chondrite BA25214.630
DOM 18503 12.2L5 Chondrite BA26224.630
DOM 18504 10.8L5 Chondrite BA25224.660
DOM 18505 11.2L5 Chondrite BA25224.700
DOM 18507 10.6L6 Chondrite BA25224.430
DOM 18508 10.6L6 Chondrite BA25214.130
DOM 18521 9.7H6 ChondriteBA20164.920
DOM 18522 6.5L5 Chondrite B/CA25224.380
DOM 18523 16.5L6 Chondrite B/CA25224.620
DOM 18524 16.1L6 Chondrite BA/B25224.610
DOM 18525 14.7L6 Chondrite BB25224.560
DOM 18526 10.6L6 Chondrite B/CA26224.650
DOM 18527 5.6L6 Chondrite B/CA26224.610
DOM 18528 2.7L6 Chondrite B/CA26224.560
DOM 18530probe 32.3L3.6 Chondrite BA/B19-279-484.380
DOM 18531 19.7L6 Chondrite BA26224.510
DOM 18532probe 32.5L5 Chondrite A/BA/B25204.500
DOM 18533 35.4L5 Chondrite A/BA25214.610
DOM 18534 18.8L6 Chondrite BA26224.660
DOM 18535 13.4L5 Chondrite A/BA25214.630
DOM 18536 15.7L6 Chondrite A/BA26214.540
DOM 18537 12.5L5 Chondrite A/BA25224.560
DOM 18538 10.5L5 Chondrite A/BA25224.770
DOM 18539 9.2L5 Chondrite A/BA25224.580
DOM 18660 13.2H5 Chondrite BA/B20155.240
DOM 18661 9.1H6 ChondriteB/CeA21184.850
DOM 18662probe 11.1L5 Chondrite B/CA24204.520
DOM 18663 16.8L5 Chondrite BA/B26224.540
DOM 18664 10.2L5 Chondrite A/BB26224.580
DOM 18665 10.2L5 Chondrite BA/B26214.540
DOM 18667 12.6H5 Chondrite BA19155.010
DOM 18668probe 13.2L5 Chondrite A/BA/B24204.210
DOM 18669 11.3L6 Chondrite BA26224.460
DOM 18840 10.9L6 Chondrite B/CA/B26214.500
DOM 18841 8.7L6 Chondrite B/CeA25224.310
DOM 18842 6.1H6 ChondriteB/CA21174.820
DOM 18843 10.2H6 ChondriteB/CA/B19165.100
DOM 18844 5.8H6 ChondriteB/CA/B20164.950
DOM 18846 4.1H6 ChondriteB/CA20174.970
DOM 18847 3.3H6 ChondriteB/CA20164.980
DOM 18848 8.8H6 ChondriteB/CeA/B20174.960
DOM 18849 4.9H6 ChondriteB/CA20185.000

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)