A SYSTEMATIC CLASSIFICATION OF METEORITES
PART I

ORDERED BY HELIOCENTRIC DISTANCE
CONTINUE TO PART II

CHONDRITES

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

ENSTATITE 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], possibly 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-An; 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) [An], 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 (unknown)

EH7 (e.g. Itqiy [Meta-EH-an or PAC])

EH impact melt phase (e.g. Y-8404 and pairings [MR], Adhi Kot [IMB], Abee [IMB], Y-8404 [IMB], Y-980211 [IMB], Y-980223 [IMB])

UNGROUPED E CHONDRITES

E-ung (e.g. NWA 305 [3], NWA 974 [6], QUE 94204 [Prim Achon], NWA 2526 [Prim Achon])

ORDINARY CHONDRITES

LL GROUP

LL3.00–3.9 (e.g. 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, 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])

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, Sah 97021 [5/6])

L/LL6 (e.g. Acfer 041, Naryilco, Holbrook)

L GROUP

L3.0–3.9 (e.g. 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 [an], Park Forest)

L6 (e.g. Bruderheim, Brewster, Seagraves (c) [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 H/L GROUP

H/L3 (e.g. Tieschitz [3.6], Bremervörde [3.7], NWA 1955 [3–4])

H/L4 (e.g. Haxtun)

H/L5 (e.g. Dhofar 428, NWA 3330, LAP 031047)

H/L6 (e.g. DaG 591, NWA 4152 and pairings, SaU 324)

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])

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], Wray (a), Beni Semguine, Cerro los Calvos, Suwahib (Buwah), Willaroy, Burnwell [H], LAP 04757 [H], EET 96031 [H], MIL 07273 [H], NWA 5492 [E/H])

Others (e.g. (HaH 180 [3.5], NWA 5717 [3.05–3.1], GRV 020043)

R CHONDRITES

R3 (e.g. 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 (LAP 04840, NWA 5299)

CARBONACEOUS CHONDRITE SUPERCLAN

CR CLAN (Weisberg et al., 1995)

CR1 see revised hydrothermal alteration sequence (CR2.0–CR3.0) below (after Harju, Rubin, and Wasson, 2011):

CR2 (e.g. GRO 95577 [2.0], Al Rais [2.3], Renazzo [2.4], MIL 090001 [~2.4], A-881595, Acfer 059/El Djouf 001 pairings, Temple Bar, NWA 1177, NWA 1567, NWA 3105, NWA 6043)

CR3 (e.g., QUE 99177 [3.00], MET 00426 [3.00], Acfer 324)

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, NWA 4025, MS 181)

CBb (e.g. HaH 237, QUE 94411, 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)

CV (and former CK—Weisberg et al., 2006; Greenwood et al., 2009; Wasson et al., 2013)

CV2 (e.g. Mundrabilla 012, clast in Mokoia)

CV3oxA (Oxidized-Allende subgroup e.g. Axtell [3.0], Allende [3.2], NWA 1763 [3.5])

CV3oxB (Oxidized-Bali subgroup e.g. Kaba [3.0], Bali [3.0], Grosnaja [3.0], Mokoia [3.3])

CV3oxK (Oxidized-Karoonda subgroup e.g. Camel Donga 003, Watson 002, Dho 015, NWA 772, NWA 1694, NWA 1559)

CV3R (Reduced subgroup e.g. Leoville [3.0], Arch [3.0], Efremovka [3.2], Vigarano [3.3], NWA 2086 [3.3], MET 01017 [3.7], DaG 055 [3-an], DaG 430 [3-an], RBT 04133, MIL 07513)

**CV4 (e.g. Y-6903, Karoonda, NWA 521, NWA 735, Maralinga, HaH 280/281, Kobe, DAG 275 [4/5])

CV5 (e.g. EET 87507 and pairings, DaG 412, NWA 060, NWA 1563, NWA 1907)

CV6 (e.g. LEW 87009, NWA 2388)**

CM–CO CLAN (Kallemeyn and Wasson, 1982)

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], 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], Paris [2.7/2.8 A/B], Maribo [<3.0])

not yet classified by aqueous alteration subtype (e.g. Dho 225 [an ung; meta], Dho 735 [an ung; meta], Boriskino, Sayama [ox])

CM3 (tentative, Acfer 094 [3.00], WIS 91600 [3.0], Belgica 7904 [3.1; Belgica grpt], Yamato 86720 [Belgica grpt], EET 90043, MAC 87300)

CO3 after Bonal et al. (2007) (e.g. ALHA77307 [3.03], Y-81020 [3.05], LAP 031117 [3.06–3.09], Colony [3.1], NWA 2918 [3.1], NWA 2974 [3.1], DaG 005 and pairings [3.1], Kainsaz [3.6], Moss [3.6], Felix [3.6+], Ornans [3.6+], Lancé [3.6+], Warrenton [3.7/+], Isna [3.7/+])

CI CLAN (Kallemeyn and Wasson, 1981)

CI1 (e.g. Ivuna, Orgueil, Alais, Yamato 82162 [meta])

UNGROUPED CARBONACEOUS CHONDRITES

C4 (Coolidge [4] and Loongana 001 duo [possibly including Sah 00182 and HaH 073, and perhaps NWA 779 and Sah 00177])

C-ung (e.g. Tagish Lake [C2], NWA 5958 [C3.0], MIL 07687 [C3.0], Ningqiang [C3.3], Y-82094 [C3.5], NWA 033 [C3], NWA 994 [C3], NWA 978 [C3], Sah 00182 [C3], Mulga (west) [C5/6], Adelaide, Bench Crater, NWA 1152 [C3 or CV3-an])

K CHONDRITES

K3 (proposed grouplet of Kakangari [3.6] and LEW 87232)

METACHONDRITES (Irving et al., 2005)

COMPLETE METAMORPHISM

Meta-LL (e.g. NWA 5297, NWA 7030 [an])

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)

CONTINUE TO PART II:
PRIMITIVE ACHONDRITES, ACHONDRITES,
STONY-IRONS, & IRONS

© 1997–2013 by David Weir