A SYSTEMATIC CLASSIFICATION OF METEORITES
PART I:

PART II: PRIMITIVE ACHONDRITES, ACHONDRITES, STONY-IRONS, & IRONS
PART III: MARTIAN METEORITES—GEOCHEMICAL CLASSIFICATION

CHONDRITES

E, F, O, AND R CHONDRITE SUPERCLAN (Kallemeyn et al., 1996)

ENSTATITE (E) CHONDRITES

EL GROUP
EL3 (e.g. MS-MU-002, MAC 88136 and pairings, PCA 91020, QUE 93351, Kaidun IV, NWA 3132, NWA 2965 and pairings [3/6 IMB], NWA 305)
EL4 (e.g. QUE 94368, DaG 734, HaH 317, Grein 002 [4/5], DaG 1031, FRO 03005)
EL5 (e.g. Tanezrouft 031, TIL 91714, NWA 1222, Adrar Bous)
EL6 (e.g. LEW 87119, Y-793225 [EH6-anom; Rubin and Wasson, 2011], Pillistfer [EL6β], Eagle, Forrest 033, Yilmia [EL6β], Atlanta, Hvittis
EL(7/impact-melt phase) (e.g. Ilafegh 009 [7/MR], Happy Canyon [MR], Y-980524 [IMB])
EH GROUP
EH3 (e.g. Sah 97096 [EH3.1–3.4α,β], Qingzhen, MAC 88136 [3.8/3.9], Galim (b) [anom], Hadley Rille [IM])
EH4 (e.g. Indarch [EH4β,γ], Bethune)
EH5 (e.g. QUE 93372, St. Mark's, LEW 88180, Saint-Sauveur [EH5γ], Kaidun-III)
EH6 (e.g. MIL 090846, NWA 6363, NWA 7976, Y-980211, Y-980223, Y-793225 [anom])
EH7 (e.g. Itqiy [Meta-EH-anom or partial melt residue], NWA 2526 [similar to Itqiy])
EH impact melt phase (e.g. Y-8404 and pairings [IMB, MR or EH6], Adhi Kot [IMB], Abee [IMB], Y-980211 [IMB], Y-82189 [IM], Y-8414 [IM], NWA 7324 [MR], NWA 10237 [MR])
UNGROUPED E CHONDRITES
E-ung (e.g. NWA 305 [3], NWA 974 [6], QUE 94204 [Prim Achon])

FORSTERITE (F) CHONDRITES

F3/4 (e.g. NWA 7135, Acfer 370, El Médano 301, inclusions in Cumberland Falls and ALHA78113)

KAKANGARI (K) CHONDRITES

K3 (e.g. Kakangari [3.6], LEW 87232)
K4 (e.g. NWA 10085)

ORDINARY (O) CHONDRITES

H GROUP
H3.0–3.9 (e.g. Roosevelt Co. 075 [3.1], ERO 93050 [3.2], WSG 95300 [3.3], DaG 475 [3.4], LEW 88315 [3.5], Clovis no.1 [3.6], Grady (1937) [3.7], Lost Creek [3.8], DaG 225 [3.9], Abbott [3–6])
H4 (e.g. Eustis, Correo, Selma)
H5 (e.g. Bonita Springs, Monahans (1998), Juancheng, Sah 98034, NWA 2488)
H6 (e.g. Peekskill)
H7 or Meta-H (e.g. ALH 88119, Y-75008, Y-790120, Y-790960, NWA 2898)
H melt phase (e.g. Gao-Guenie [IMB], Smyer [IMB], Dho 010 [IMB], Portales Valley [IMB], GSS 020 [MR], NWA 2058 [MR], DaG 896 [IM])
TRANSITIONAL H/L GROUP
H/L3 (e.g. MET 00526 [3.05], Tieschitz [3.6], Bremervörde [3.7], Famenin [3.8–3.9], NWA 1955 [3–4])
H/L4 (e.g. Haxtun, Cali)
H/L5 (e.g. Dhofar 428, NWA 3330, LAP 031047)
H/L6 (e.g. DaG 591, NWA 4152 and pairings, SaU 324)
L GROUP
L3.0–3.9 (e.g. NWA 7731 [3.00], NWA 8276 [3.00], LEW 86134 [3.0], JaH 026 [3.1], NWA 2798 [3.2], Dho 008 [3.2/3.3], ALH 83010 [3.3], EET 96015 [3.4], Felt (b) [3.5], MET 96503 [3.6], NWA 092 [3.7], NWA 2797 [3.8], Sah 97193 [3.9])
L4 (e.g. Bluff (b), Okechobee)
L5 (e.g. Beenham, Mt. Tazerzait [anom], Park Forest)
L6 (e.g. Bruderheim, Brewster, Seagraves (c) [6/7], Katol [6–7])
L7 or Meta-L (e.g. Forrest 028, FRO 90058 and pairings, LEW 88663, Dho 1275)
L melt phase (e.g. Shaw, Cat Mountain [IMB], NWA 722, PAT 91501, NWA 2085, NWA 4150 [IMR])
TRANSITIONAL L/LL GROUP
L/LL3 (e.g. Esperance, Inman [3.4], NWA 487 [<3.5], SaU 089 [3.6/3.7], NWA 4020 [3])
L/LL4 (e.g. Seemore Downs, Bjurböle, Cynthiana)
L/LL5 (e.g. Qidong, Knyahinya, Chelyabinsk, Sah 97021 [5/6])
L/LL6 (e.g. Acfer 041, Naryilco, Holbrook)
LL GROUP
LL3.00–3.9 (e.g. NWA 10061 [LL3.00], NWA 8576 [LL3.00], Semarkona [3.01], MET 00526 [3.05], NWA 1756 [3.10], NWA 3127 [3.10, metal-poor], NWA 4290 [3.10], Bishunpur [3.15], Y-74660 [3.15], Krymka [3.2], Wells [3.3], Ragland [3.4], NWA 539 [3.5], NWA 094 [3.6], Parnallee [3.7], DaG 054 [3.8], DaG 180 [3.9])
LL4 (e.g. DaG 298, Soko Banja, Greenwell Springs)
LL5 (e.g. Paragould, Tuxtuac, NWA 1584, DaG 222 [5–6])
LL6 (e.g. Beeler, Ensisheim, NWA 2092 [6/7])
LL7 or Meta-LL (e.g. Uden, Y-82067, EET 92013, Crocker's Well, Sah 97037, Dho 011, Dho 014, NWA 503, DaG 1022)
LL melt phase (e.g. Bison [IMB], Y-74160, NWA 1701 [IMB])

RUMURUTI (R) CHONDRITES

R3 (e.g. LAP 03639 [3.4–4], DaG 013 [3.5–6], NWA 755 [3.7], Carlisle Lakes [3.8], NWA 978 [3.8], Acfer 217 [3.8–5], Rumuruti [3.8–6], NWA 753 [3.9])
R4 (e.g. HaH 119, NWA 053, NWA 1906)
R5 (e.g. NWA 1585, NWA 1668, LAP 031275, NWA 7514)
R6 (e.g. NWA 5299, MIL 07440, MIL 11207, NWA 8012, Y-980159)

UNGROUPED "ORDINARY" CHONDRITES

Metal-poor (e.g. NWA 960 [L3], NWA 4486 [L3], NWA 2040 [L3.1], NWA 2041 [L3], NWA 3114 [L3.8], NWA 3127 [LL3.10], NWA 3157 [L3], NWA 4294 [LL3], NWA 4298 [LL3], NWA 4486 [L3], NWA 4531 [LL3], NWA 5717 [L+LL3.05])
Low-FeO, Metal-rich (e.g. Moorabie [3.8], Suwahib (Buwah) [H3.8-anom], Willaroy [H3.8-anom], Wray (a) [H4-anom], Cerro los Calvos [H4-anom], Burnwell [H4-anom], EET 96031 [H4-anom], Y-982717 [H4-anom], Beni Semguine [H5-anom], MIL 07273 [H5-anom], LAP 04757/73 [H, low-FeO]
'G chondrites' (Weisberg et al., 2015) (e.g. GRO 95551, NWA 5492)
Others (e.g. (HaH 180 [3.5], NWA 5717 [3.05–3.1], GRV 020043, Sah 97009/39/42, JaH 846 [3.5])

CARBONACEOUS CHONDRITE SUPERCLAN

CV–CK CLAN (Weisberg et al., 2006)

CV2 (e.g. Mundrabilla 012, clast in Mokoia)
CV3red (Reduced subgroup, e.g. Leoville [3.0], Arch [3.0], Efremovka [3.2], Vigarano [3.3], DaG 055 [3-anom], DaG 430 [3-anom], RBT 04133, MIL 07513)
CV3oxA (Oxidized-Allende subgroup, e.g. Axtell [3.0], Allende [3.2], NWA 1763 [3.5])
CV3oxB (Oxidized-Bali subgroup, e.g. Bali [3.0], Grosnaja [3.0], Kaba [3.1], Mokoia [3.3], NWA 2086 [~3.3])
CV melt phase (e.g. clast in RBT 04143 [CV3red], clast in LAR 06317 [CV3oxA])
CK3, e.g. Watson 002, Camel Donga 003, NWA 1559 [3.6/3.7], NWA 5343 [3.6/3.7], DaG 431 [3.8], NWA 2921 [3.8], Dho 015 [3.9 or 4], NWA 772, NWA 1694)
CK4 (e.g. Y-6903, Karoonda, NWA 521, NWA 735, Maralinga, HaH 280/281, Kobe, NWA 4422, DAG 275 [4/5])
CK5 (e.g. EET 87507 and pairings, DaG 412, NWA 060, NWA 1563, NWA 1907)
CK6 (e.g. LEW 87009, NWA 2388)
CK7 (e.g. NWA 8186 [photo courtesy of Steve Witt])

CO–CM CLAN (Kallemeyn and Wasson, 1982)

CO3 after Bonal et al. (2007) (e.g. ALHA77307 [3.03], Y-81020 [3.05], LAP 031117 [3.06–3.09], Colony [3.0], DaG 005 and pairings [3.1], MIL 07099 pairing group [3.2], Kainsaz [3.2], Felix [3.4], Ornans [3.4], Lancé [3.4], Moss [3.6], Warrenton [3.6], Isna [3.7])
CO3 proposed subgroup with FeO-enriched and grossite-bearing CAIs (Simon and Grossman, 2015) (e.g. Acfer 094 [3.00], DOM 08006 pairing group [3.2])
CM1 see revised hydrothermal alteration sequence (CM2.0–CM2.8) below (after Rubin et al., 2005, 2007; Blanchard et al., 2011):
CM2 (e.g. NWA 4765 [2.0; =CM1], MET 01070 [2.0; =CM1], EET 83334 [2.0; =CM1], LAP 02277 [2.0; =CM1], ALH 84034 [2.0; =CM1], Moapa Valley [2.0; =CM1], clasts in Kaidun [2.0; =CM1], Sutter's Mill [2.0/2.1], Jbilet Winselwan [2.0–2.3], QUE 93005 [2.1], ALH 83100 [2.1], Cold Bokkeveld [2.2], Nogoya [2.2], QUE 99355 [2.3], TIL 08007 [2.3], Y-791198 [2.4], Murray [2.4/2.5], Murchison [2.5], Kivesvaara [2.5], QUE 97990 [2.6], EET 96029 [2.7], TIL 91722 [~2.7], Paris [2.7–2.9 A/B], Maribo [<3.0])

not yet classified by aqueous alteration subtype (e.g. Dho 225 [anom ung; meta], Dho 735 [anom ung; meta], Boriskino, Sayama [ox])
CM3 (NWA 11024 [tentative: WIS 91600 {3.0}, Belgica 7904 {3.1; Belgica grpt}, Yamato 86720 {Belgica grpt}, EET 90043, MAC 87300, NWA 11086])
CM melt phase (e.g. clast in GRO 95574 howardite)

CI CLAN (Kallemeyn and Wasson, 1981)

CI1 (e.g. Ivuna, Orgueil, Alais)
CI-like, meta Stage III (500–750°C; Nakamura, 2005) (e.g. Yamato 82162, Y-86029, Y-980115)

CR CLAN (Weisberg et al., 1995)

CR1 see revised hydrothermal alteration sequence (CR2.0–CR2.8) below (after Harju et al., 2011, 2014, 2015):
CR2 (e.g. GRO 95577 [2.0], MIL 090292 [2.0], Al Rais [2.3], Renazzo [2.4], MIL 090001 [2.4], GRA 06100 [2.5], NWA 5028 [2.6], MIL 07513 [2.7], MIL 090657 [2.7], QUE 99177 [2.8], MET 00426 [2.8], EET 87711 pairing group [2.8], LAP 02342 [2.8])
CR6 (e.g. NWA 3100, NWA 7317 and pairings
CR7 [or Meta-CR] (NWA 7531, Tafassasset, NWA 5131)
CBa (e.g. Bencubbin, Weatherford, Gujba, NWA 1814, Fountain Hills, MIL 05082 and pairings, NWA 4025, MS 181, Quebrada Chimborazo 001)
CBb (e.g. HaH 237, QUE 94411 and pairings, MAC 02675, QUE 94411, Isheyevo)
CH (e.g. ALH 85085, Acfer 182 and pairings, NWA 470, NWA 739, NWA 770, PAT 91546, EET 96238, PCA 91467, RKP 92435, SaU 290, NWA 2210, Acfer 366, NWA 4781)
CR Clan-Related (e.g. LEW 85332 [C3.0–3.1 w/ C1,2 clasts], Tucson, Kaidun [containing a composite of CR-, CI-, CM-, CV-, Meta-C-, O-, EH-, EL-, and aubrite-like clasts], possibly NWA 011/2400 and pairings)

UNGROUPED CARBONACEOUS CHONDRITES

C-ung (e.g. Tagish Lake [C2], NWA 7821 [C2/CM2-anom], NWA 5958 [C2], NWA 6697 [C2], MIL 07687 [C2], Y-82094 [C3.2], Ningqiang [C3.3], DaG 978 [C≥3.5], NWA 033 [C3], NWA 994 [C3], NWA 978 [C3], NWA 1152 [C3 or CV3-anom], NWA 6047 [C3], Sah 00182 [C3], Coolidge [C4; duo with Loongana 001, possibly to include Sah 00182 and HaH 073 and perhaps NWA 779 and Sah 00177], Mulga (west) [C5/6], Adelaide, Bench Crater)

METACHONDRITES (Irving et al., 2005)

COMPLETE METAMORPHISM

Meta-LL (e.g. NWA 5297, NWA 7030 [anom])
Meta-L (e.g. NWA 6348)
Meta-H (e.g. NWA 2353, NWA 2635)
Meta-CR [or CR7] (e.g. Tafassasset, NWA 5131, NWA 7531)
Meta-CO (e.g. NWA 1839)
Meta-CV (e.g. NWA 3133 and pairings)
Meta-CC-ung (e.g. NWA 2788, NWA 10503)

PART II: PRIMITIVE ACHONDRITES, ACHONDRITES, STONY-IRONS, & IRONS
PART III: MARTIAN METEORITES—GEOCHEMICAL CLASSIFICATION


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