AMN 39,1 Table 1. Newly Classified Meteorites

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Home Antarctic MeteoritesAntarctic Meteorite NewslettersAMN 39,1 Table 1. Newly Classified Meteorites
Volume 39 No. 1 – February 2016

Table 1. Newly Classified Antarctic Meteorites

Sample Number Weight (g) Classification Weathering Fracturing %Fa %Fs
PAT 10203 538.4L5 CHONDRITEB/CB26
PAT 10311 7.7LL6 CHONDRITEB/CA/B30
GDR 12540 254.9L5 CHONDRITEAA26
GDR 12541 97.0L5 CHONDRITEAA26
GRA 12502 30.0H6 CHONDRITEBA18
GRA 12503 47.9H6 CHONDRITEBA18
GRA 12504 80.8H5 CHONDRITEBA18
GRA 12505 153.6H6 CHONDRITEB/CA20
GRA 12506 36.8H5 CHONDRITEBA18
GRA 12507 21.8H5 CHONDRITEB/CA19
GRA 12508 25.9H5 CHONDRITEBA18
GRA 12509 7.0H5 CHONDRITEA/BA/B20
GRO 12520 154.9H5 CHONDRITEBA/B19
GRO 12521 8.7H5 CHONDRITEAA19
GRO 12522 11.1H6 CHONDRITEA/BA20
GRO 12523 23.9H5 CHONDRITEA/BA/B19
GRO 12524 11.4L6 CHONDRITEAA26
LAR 12001 6328.2EH3 CHONDRITEBEB/C3 0-2
LAR 12003 2600.1H6 CHONDRITEA/BA/B19
LAR 12004 4016.3L6 CHONDRITEA/BA25
LAR 12005 1199.5L6 CHONDRITEA/BEA/B25
LAR 12006 1532.9H5 CHONDRITEBB19
LAR 12007 1618.3H6 CHONDRITEBEA19
LAR 12008 1119.5H6 CHONDRITEBEA/B19
LAR 12009 1002.9H6 CHONDRITEBA/B19
LAR 12013 972.9H5 CHONDRITEBEA/B20
LAR 12014 2121.0H5 CHONDRITEB/CA20
LAR 12015 1646.9H6 CHONDRITEBEA19
LAR 12016 4535.5H6 CHONDRITEBEA/B20
LAR 12017 1053.5L6 CHONDRITEA/BA/B26
LAR 12018 906.2H6 CHONDRITEBA/B20
LAR 12019 2488.9H6 CHONDRITEBA19
LAR 12020 984.7H6 CHONDRITEBEB20
LAR 12021 926.2H6 CHONDRITEBB20
LAR 12022 1710.1H5 CHONDRITEBA20
LAR 12023 967.7H6 CHONDRITEBEA17
LAR 12024 848.7L5 CHONDRITEBA/B20
LAR 12025 661.3H5 CHONDRITEBA/B19
LAR 12026 930.5H6 CHONDRITEBB20
LAR 12027 1139.7H6 CHONDRITEA/BEA/B19
LAR 12028 1297.7H5 CHONDRITEBEA/B19
LAR 12030 931.8H6 CHONDRITEA/BB20
LAR 12031 1807.5H6 CHONDRITEBB19
LAR 12032 1068.0H6 CHONDRITEBB20
LAR 12033 2585.7H5 CHONDRITEBB20
LAR 12035 258.4L5 CHONDRITEA/BA/B25
LAR 12036 522.9LL6 CHONDRITEA/BA26
LAR 12037 620.9LL6 CHONDRITEB/CB26
LAR 12038 260.5H6 CHONDRITEBA/B20
LAR 12039 270.4H5 CHONDRITEBA/B20
LAR 12040 137.4H6 CHONDRITEA/BEA/B20
LAR 12041 176.8H6 CHONDRITEBA20
LAR 12042 381.1H6 CHONDRITEBA20
LAR 12043 524.1H5 CHONDRITEBEA/B1816
LAR 12050 27.9H5 CHONDRITEA/BA19
LAR 12051 40.8H5 CHONDRITEB/CA20
LAR 12052 89.9L6 CHONDRITEBA/B26
LAR 12053 100.8L6 CHONDRITEB/CA23
LAR 12054 56.4L6 CHONDRITEB/CA/B26
LAR 12055 114.4H6 CHONDRITEB/CA19
LAR 12057 61.1H5 CHONDRITEB/CA19
LAR 12058 77.2H6 CHONDRITEB/CA19
LAR 12061 109.7H6 CHONDRITEB/CB/C19
LAR 12062 663.8H5 CHONDRITEBEA/B20
LAR 12063 109.1H5 CHONDRITEB/CA/B19
LAR 12064 70.2L5 CHONDRITEA/BB/C26
LAR 12065 24.5H5 CHONDRITEBB19
LAR 12066 29.8L5 CHONDRITEAB/C25
LAR 12067 51.3H6 CHONDRITEBA/B19
LAR 12068 72.7L5 CHONDRITEBEB2521
LAR 12069 33.7H5 CHONDRITEB/CB/C19
LAR 12070 20.2H6 CHONDRITEBA/B19
LAR 12071 34.3H6 CHONDRITEBA/B19
LAR 12072 27.8H6 CHONDRITEBA/B20
LAR 12073 25.9H6 CHONDRITEBA20
LAR 12074 15.6H6 CHONDRITEA/BA19
LAR 12076 20.8H6 CHONDRITEBA19
LAR 12077 30.7H5 CHONDRITEB/CA/B19
LAR 12079 45.8H6 CHONDRITEA/BA21
LAR 12080 39.8H6 CHONDRITEBA20
LAR 12081 35.4H5 CHONDRITEBA21
LAR 12083 8.4H6 CHONDRITEBA20
LAR 12084 53.1H6 CHONDRITEBA21
LAR 12085 30.2H6 CHONDRITEBA/B19
LAR 12086 14.2H6 CHONDRITEA/BA20
LAR 12087 22.0H5 CHONDRITEA/BA/B20
LAR 12088 21.9H6 CHONDRITEA/BA/B20
LAR 12089 6.7H6 CHONDRITEA/BA19
LAR 12090 251.9L3.8 CHONDRITEB/CEA/B20-31
LAR 12091 543.6H4 CHONDRITEB/CEA1917
LAR 12092 171.8H6 CHONDRITEB/CEA/B19
LAR 12093 97.1L5 CHONDRITEB/CEB2521
LAR 12094 97.3H6 CHONDRITEB/CEA/B19
LAR 12096 160.1L5 CHONDRITEAEA/B26
LAR 12097 194.7H5 CHONDRITEA/BA20
LAR 12098 375.7L6 CHONDRITEA/BA/B2420
LAR 12106 41.7UREILITEAEA/B3-176-10
LAR 12111 5.2L6 CHONDRITEBB26
LAR 12112 5.2H6 CHONDRITEA/BB20
LAR 12113 9.7L6 CHONDRITEA/BA26
LAR 12114 8.7H6 CHONDRITEB/CA/B20
LAR 12115 11.3H6 CHONDRITEB/CA20
LAR 12116 5.6LL6 CHONDRITEBA/B29
LAR 12118 18.9H6 CHONDRITEBB/C20
LAR 12119 15.8H6 CHONDRITEBA/B20
LAR 12120 724.4L6 CHONDRITEA/BA26
LAR 12121 347.1H6 CHONDRITEB/CEA/B20
LAR 12122 428.0H6 CHONDRITEB/CA20
LAR 12123 376.6H5 CHONDRITEA/BEA/B18
LAR 12124 214.1LL5 CHONDRITEBEA/B2825
LAR 12125 578.9H6 CHONDRITEB/CEA19
LAR 12126 190.8H5 CHONDRITEB/CEA/B19
LAR 12128 222.3EH3 CHONDRITECB/C0.4 1
LAR 12129 373.1L6 CHONDRITEA/BA26
LAR 12141 57.1H6 CHONDRITEA/BA20
LAR 12142 68.4L3.6 CHONDRITEAEA2-4026
LAR 12143 51.2H6 CHONDRITEA/BEA/B20
LAR 12144 83.0L6 CHONDRITEBEA26
LAR 12145 102.1H6 CHONDRITEBEA20
LAR 12146 98.4L6 CHONDRITEBEA/B26
LAR 12147 103.0LL6 CHONDRITEBA27
LAR 12148 80.0H6 CHONDRITEBEA19
LAR 12149 89.7L6 CHONDRITEA/BEB25
LAR 12160 77.8H6 CHONDRITEB/CEA/B20
LAR 12161 43.5H6 CHONDRITEB/CEA/B20
LAR 12162 43.6H6 CHONDRITEB/CEA/B20
LAR 12165 28.2H6 CHONDRITEB/CA/B20
LAR 12166 30.3H6 CHONDRITEB/CA20
LAR 12167 18.1H6 CHONDRITEB/CA20
LAR 12168 43.8H5 CHONDRITEB/CA20
LAR 12170 20.0H6 CHONDRITEBA/B19
LAR 12171 16.5H6 CHONDRITEBA/B20
LAR 12172 17.6H6 CHONDRITEBA20
LAR 12173 24.3H6 CHONDRITEBA20
LAR 12174 9.0H6 CHONDRITEBB18
LAR 12175 15.0H6 CHONDRITEBA19
LAR 12177 9.9H6 CHONDRITEA/BA20
LAR 12178 5.7L6 CHONDRITEA/BA26
LAR 12179 15.3L6 CHONDRITEB/CA/B26
LAR 12181 25.3H5 CHONDRITEB/CA19
LAR 12183 6.2L6 CHONDRITEB/CA26
LAR 12184 6.5H6 CHONDRITEB/CA20
LAR 12185 4.4H6 CHONDRITEB/CA20
LAR 12186 11.5H6 CHONDRITEB/CA20
LAR 12187 11.9H6 CHONDRITEB/CA20
LAR 12188 5.0H5 CHONDRITEB/CA21
LAR 12195 16.1L4 CHONDRITEA/BA23
LAR 12200 3.5H6 CHONDRITEBA19
LAR 12201 12.5H6 CHONDRITEB/CA21
LAR 12202 13.3H5 CHONDRITEB/CA/B19
LAR 12206 9.2L6 CHONDRITEBA26
LAR 12207 8.0H6 CHONDRITEB/CA19
LAR 12208 10.3H6 CHONDRITEB/CA20
LAR 12209 2.8LL5 CHONDRITEB/CA27
LAR 12210 26.4H5 CHONDRITEB/CA/B16
LAR 12211 20.6H5 CHONDRITEB/CA/B20
LAR 12212 27.5L5 CHONDRITEB/CA/B26
LAR 12213 39.4H6 CHONDRITEB/CA/B19
LAR 12214 8.4L6 CHONDRITECA26
LAR 12216 16.3L3.5 CHONDRITEBA3-3313-18
LAR 12217 13.6H6 CHONDRITEBB20
LAR 12218 24.6H6 CHONDRITEBA19
LAR 12219 17.6H6 CHONDRITEBA19
LAR 12220 467.5H5 CHONDRITEBA/B20
LAR 12230 40.7L5 CHONDRITEA/BA/B25
LAR 12231 21.8H5 CHONDRITEA/BEB19
LAR 12232 43.2H6 CHONDRITEBA/B19
LAR 12233 60.3L5 CHONDRITEBA25
LAR 12234 35.6L3.6 CHONDRITEA/BA/B1-254
LAR 12235 33.9L6 CHONDRITEB/CA26
LAR 12236 33.9H6 CHONDRITEBA19
LAR 12237 24.2H6 CHONDRITEA/BA19
LAR 12239 24.6L5 CHONDRITEAEA/B25
LAR 12300 14.0LL5 CHONDRITEB/CA28
LAR 12321 39.0L5 CHONDRITEA/BB26
LAR 12324 258.3L5 CHONDRITEA/BA26
SCO 12531 132.3L6 CHONDRITEA/BA/B26
SCO 12532 48.5H5 CHONDRITEAA20
SCO 12533 11.1L5 CHONDRITEBB/C26
SCO 12534 18.1L5 CHONDRITEA/BA/B26
SZA 12405 1181.4H5 CHONDRITEA/BA/B19
SZA 12440 33.9H5 CHONDRITEB/CA/B20
SZA 12442 3.9H5 CHONDRITEB/CA/B20
SZA 12443 22.0L5 CHONDRITEB/CB26
MIL 13001 5596.9L5 CHONDRITEBEA26
MIL 13003 1038.1H5 CHONDRITEBA/B20
MIL 13006 627.4L6 CHONDRITEB/CA/B26
MIL 13007 436.1H4 CHONDRITEBEB18
MIL 13050 0.4LL4 CHONDRITEBA2824
MIL 13051 29.0H5 CHONDRITEB/CA19
MIL 13052 2.2L3.6 CHONDRITEBA1-279-15
MIL 13053 0.4L6 CHONDRITEBA26
MIL 13054 6.7H5 CHONDRITEB/CA20
MIL 13055 0.9H6 CHONDRITEBA20
MIL 13057 3.1LL5 CHONDRITEB/CA/B27
MIL 13058 1.9L6 CHONDRITEB/CA26
MIL 13280 1.8LL6 CHONDRITEB/CA27
MIL 13281 0.5H6 CHONDRITEBA19
MIL 13282 1.0LL4 CHONDRITEA/BA2824
MIL 13283 0.5H5 CHONDRITEBA/B19
MIL 13284 1.1L5 CHONDRITEB/CA26
MIL 13285 1.0EH3 CHONDRITEB/CB0-3
MIL 13286 0.2H6 CHONDRITEBA20
MIL 13287 0.2LL5 CHONDRITEBA27
MIL 13288 2.0LL5 CHONDRITEB/CA29
MIL 13289 1.2L5 CHONDRITEB/CA26
DOM 14003 1261.2L3.6 CHONDRITEBEA/B9-274-14
DOM 14019 158.3CO3 CHONDRITEBEA/B1-392
DOM 14127 103.9CO3 CHONDRITEBB22-42 1
DOM 14169 20.0HOWARDITEAEB22-62
DOM 14219 38.1CM2 CHONDRITEAEA/B1-462
DOM 14238 10.5CK5 CHONDRITEBB/C30
DOM 14239 9.9CM1 CHONDRITEBEB/C
DOM 14305 133.1CO3 CHONDRITEA/BEA/B1-5651
DOM 14359 393.0CO3 CHONDRITEBEA/B1-451-63

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)