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Meteoritical Bulletin: Oxygen Isotope Plots

Change plot type:
Change values (separate multiple values with semicolons) -    δ18O:    δ17O:    Δ17O:
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Oxygen isotope composition of primitive achondrites (SNCs shown for comparison). Data for brachinites, winonaites, acapulcoite-lodranite clan from Greenwood et al. (2012). Data for ureilites from Clayton and Mayeda (1999). Data for Martian meteorites (SNCs) from Franchi et al. (1999) and compiled from laser fluorination analyses in the Meteoritical Bulletin. Δ17O calculated as: Δ17O = δ17O – 0.52δ18O. Individual winonaite and acapulcoite-lodranite clan samples are very highly susceptible to terrestrial weathering resulting in large shifts in δ18O and to a lesser extent Δ17O. Most analysis points for these two groups plotted on this diagram have been cleaned in EATG (ethanolamine thioglycollate) in order to reduce the influence of terrestrial weathering (see Greenwood et al., 2012 for further details). TFL: terrestrial fractionation line, Y&R: slope 1 line (Young and Russell, 1998), CCAM: carbonaceous chondrite anhydrous mineral line (Clayton et al., 1977; Clayton and Mayeda 1999).

References:


Data summary:
δ18Oδ17OΔ17O: givenΔ17O: linearComment
4.29002.0200-0.2450-0.211 
4.58202.1700-0.2500-0.213 
4.89702.3290-0.2560-0.217 

Nearest neighbors in MBDB (within 0.5 permil):
NameClassδ18Oδ17OΔ17O: calcΔ δ18OΔ δ17OΔ Δ17O
El Médano 395Brachinite4.58202.1700-0.213-0.01 -0 0
Northwest Africa 2904Eucrite-pmict4.58002.1600-0.222-0.01 -0.01 -0.01
Northwest Africa 14717Eucrite-unbr4.57102.1460-0.231-0.02 -0.03 -0.02
Northwest Africa 3213Mesosiderite4.55002.1300-0.236-0.04 -0.04 -0.02
Northwest Africa 4418Mesosiderite4.52402.1450-0.207-0.07 -0.03 0.01
Northwest Africa 6152Brachinite4.65002.2300-0.1880.06 0.06 0.03
Northwest Africa 6152Brachinite4.65002.2400-0.1780.06 0.07 0.04
Northwest Africa 10497Brachinite4.67002.2200-0.2080.08 0.05 0.01
Northwest Africa 10423Eucrite-cm4.69002.2300-0.2090.1 0.06 0
Northwest Africa 15861Angrite4.47902.2190-0.11-0.11 0.05 0.1
Northwest Africa 8059LL3.054.70202.2280-0.2170.11 0.06 -0
Northwest Africa 15317Angrite4.52902.2830-0.072-0.06 0.11 0.14
Pecora Escarpment 91461EH34.52702.0570-0.297-0.06 -0.12 -0.08
Elephant Moraine 90757Aubrite4.59102.3050-0.0820 0.13 0.13
Northwest Africa 15861Angrite4.58802.3100-0.076-0 0.14 0.14
Northwest Africa 4882Brachinite4.45502.0950-0.222-0.13 -0.08 -0.01
Northwest Africa 4882Brachinite4.45502.0950-0.222-0.13 -0.08 -0.01
Northwest Africa 2904Eucrite-pmict4.74002.1300-0.3350.15 -0.04 -0.12
Northwest Africa 12320Angrite4.54502.3390-0.024-0.04 0.17 0.19
Northwest Africa 12004Angrite4.44002.2580-0.051-0.15 0.09 0.16
Allan Hills 84206EH34.42302.2630-0.037-0.17 0.09 0.18
Cumberland FallsAubrite4.54002.3600-0.001-0.05 0.19 0.21
Northwest Africa 12004Angrite4.43102.2850-0.019-0.16 0.11 0.19
Northwest Africa 7904Brachinite4.78102.2100-0.2760.19 0.04 -0.06
Al Huwaysah 010Achondrite-ung4.73002.3100-0.150.14 0.14 0.06
Northwest Africa 12320Angrite4.41602.2680-0.028-0.17 0.09 0.19
Northwest Africa 14717Eucrite-unbr4.41802.0530-0.244-0.17 -0.12 -0.03
ParsaEH34.55002.38000.014-0.04 0.21 0.23
Northwest Africa 12320Angrite4.40702.2810-0.011-0.18 0.11 0.2
Northwest Africa 4395Diogenite4.39002.0900-0.193-0.2 -0.08 0.02
Northwest Africa 5400Achondrite-ung4.48602.36700.034-0.1 0.19 0.25
Northwest Africa 7025Mesosiderite4.38702.0820-0.199-0.2 -0.09 0.01
Northwest Africa 4636Mesosiderite4.38002.0900-0.188-0.21 -0.08 0.03
Northwest Africa 8173Enst achon4.60002.40000.0080.01 0.23 0.22
Northwest Africa 15317Angrite4.73402.3530-0.1090.14 0.18 0.1
Allan Hills 12073Eucrite4.40002.0400-0.248-0.19 -0.13 -0.03
Northwest Africa 8659Eucrite4.37602.0830-0.193-0.21 -0.09 0.02
Ramlat as Sahmah 309Brachinite4.37002.0900-0.182-0.22 -0.08 0.03
Northwest Africa 4882Brachinite4.36802.0640-0.207-0.22 -0.11 0.01
Northwest Africa 4882Brachinite4.36802.0640-0.207-0.22 -0.11 0.01
Northwest Africa 12951Winonaite4.73001.9690-0.4910.14 -0.2 -0.28
Hutchison Icefield 18034Aubrite4.53102.41400.058-0.06 0.24 0.27
Northwest Africa 6292Achondrite-ung4.55002.42000.054-0.04 0.25 0.27
Northwest Africa 13735Winonaite4.74201.9740-0.4920.15 -0.2 -0.28
Northwest Africa 4872Brachinite4.35402.0610-0.203-0.24 -0.11 0.01
Northwest Africa 4872Brachinite4.35402.0610-0.203-0.24 -0.11 0.01
Los Vientos 263Pallasite, ungrouped4.34002.0900-0.167-0.25 -0.08 0.05
Northwest Africa 6023Brachinite-an4.83802.2690-0.2470.25 0.1 -0.03
QingzhenEH34.70002.4200-0.0240.11 0.25 0.19
Zag (b)Winonaite4.84002.0600-0.4570.25 -0.11 -0.24
Queen Alexandra Range 94594EL34.56402.45700.084-0.03 0.28 0.3
Northwest Africa 11917Winonaite4.54101.8760-0.485-0.05 -0.3 -0.27
Northwest Africa 12543Winonaite4.66201.8800-0.5440.07 -0.29 -0.33
Northwest Africa 7605Brachinite4.82202.3700-0.1370.23 0.2 0.08
Queen Alexandra Range 94204EH74.71302.45300.0020.12 0.28 0.22
Northwest Africa 12004Angrite4.28402.1970-0.031-0.31 0.02 0.18
Northwest Africa 14988Winonaite4.85602.0210-0.5040.27 -0.15 -0.29
Northwest Africa 13432Winonaite4.85502.0160-0.5090.27 -0.16 -0.29
Northwest Africa 10637Brachinite4.79402.4050-0.0880.2 0.23 0.13
Old Homestead 003Howardite4.88002.3000-0.2380.29 0.13 -0.02
Northwest Africa 12951Winonaite4.88702.0490-0.4920.3 -0.12 -0.28
Northwest Africa 12397Mesosiderite4.32301.9920-0.256-0.27 -0.18 -0.04
Northwest Africa 4872Brachinite4.30802.0120-0.228-0.28 -0.16 -0.01
Northwest Africa 4872Brachinite4.30802.0120-0.228-0.28 -0.16 -0.01
El Médano 395Brachinite4.29002.0200-0.211-0.3 -0.15 0
El Médano 395Brachinite4.89702.3290-0.2170.31 0.16 -0
PesyanoeAubrite4.78902.4570-0.0330.2 0.28 0.18
Northwest Africa 15317Angrite4.80202.4570-0.040.21 0.28 0.17
Northwest Africa 6474Brachinite4.23402.1810-0.021-0.36 0.01 0.19
Northwest Africa 12532Brachinite4.90802.3450-0.2070.32 0.17 0.01
Northwest Africa 3151Brachinite4.86002.4200-0.1070.27 0.25 0.11
Northwest Africa 11729Eucrite-an4.93402.3010-0.2650.34 0.13 -0.05
Dhofar 378Martian (shergottite)4.46002.52000.201-0.13 0.35 0.41
Yamato 691EH34.83002.4600-0.0520.24 0.29 0.16
Northwest Africa 8686Martian (shergottite)4.41702.51100.214-0.17 0.34 0.43
Thiel Mountains 07009EL64.21002.21000.021-0.38 0.04 0.23
Northwest Africa 13917Winonaite4.95902.0550-0.5240.37 -0.12 -0.31
Northwest Africa 14988Winonaite4.95902.0440-0.5350.37 -0.13 -0.32
Acfer 366CH34.61001.7810-0.6160.02 -0.39 -0.4
Allan Hills 88046EH34.90502.4200-0.1310.32 0.25 0.08
Northwest Africa 10602Eucrite-melt breccia4.95202.3490-0.2260.36 0.18 -0.01
Jiddat al Harasis 395Diogenite4.23001.9900-0.21-0.36 -0.18 0
Northwest Africa 5363Achondrite-ung4.18302.1520-0.023-0.41 -0.02 0.19
BusteeAubrite4.83002.5100-0.0020.24 0.34 0.21
ItqiyEH7-an4.80002.53000.0340.21 0.36 0.25
Northwest Africa 8124LL34.71802.56800.1150.13 0.4 0.33
Allan Hills A78113Aubrite4.81002.53000.0290.22 0.36 0.24
Northwest Africa 10593Martian (shergottite)4.48402.58200.25-0.11 0.41 0.46
Northwest Africa 12522Martian (shergottite)4.42602.56700.265-0.16 0.39 0.48
Northwest Africa 10416Martian4.31002.50000.259-0.28 0.33 0.47
Northwest Africa 2986Martian (shergottite)4.45002.58000.266-0.14 0.41 0.48
Northwest Africa 7032Martian (shergottite)4.42302.57700.277-0.17 0.4 0.49
Northwest Africa 6963Martian (shergottite)4.33202.52800.275-0.26 0.36 0.49
Northwest Africa 10153Martian (nakhlite)4.44602.59100.279-0.14 0.42 0.49
Northwest Africa 2999Angrite4.15402.0950-0.065-0.44 -0.08 0.15
Northwest Africa 5718Martian (shergottite)4.47002.60000.276-0.12 0.43 0.49
Northwest Africa 5718Martian (shergottite)4.29002.50000.269-0.3 0.33 0.48
Yamato 980459Martian (shergottite)4.31002.52000.279-0.28 0.35 0.49
Yamato 980459Martian (shergottite)4.31002.52000.279-0.28 0.35 0.49
Northwest Africa 10416Martian4.39202.57300.289-0.2 0.4 0.5
Northwest Africa 12951Winonaite5.03502.1190-0.4990.45 -0.05 -0.29
Sayh al Uhaymir 094Martian (shergottite)4.29002.51000.279-0.3 0.34 0.49
Northwest Africa 5400Achondrite-ung4.88002.5250-0.0130.29 0.35 0.2
Northwest Africa 10593Martian (shergottite)4.37302.57600.302-0.22 0.4 0.52
Northwest Africa 6690Diogenite4.19001.9400-0.239-0.4 -0.23 -0.03
Northwest Africa 12241Martian (shergottite)4.62002.63500.2330.03 0.46 0.45
Northwest Africa 4937Winonaite4.37001.7630-0.509-0.22 -0.41 -0.3
Northwest Africa 10416Martian4.50002.63000.29-0.09 0.46 0.5
Northwest Africa 10424Eucrite-cm4.18001.9500-0.224-0.41 -0.22 -0.01
Northwest Africa 8649LL3.054.46402.62300.302-0.13 0.45 0.52
Northwest Africa 8679Martian (shergottite)4.56202.64200.27-0.03 0.47 0.48
Northwest Africa 12338Achondrite-ung4.16001.9800-0.183-0.43 -0.19 0.03
Acfer 287E44.16101.9760-0.188-0.43 -0.2 0.03
ZakłodzieEnst achon-ung4.86002.56000.0330.27 0.39 0.25
Old Homestead 003Howardite5.02002.3700-0.240.43 0.2 -0.03
Allan Hills 84001Martian (OPX)4.60002.65000.2580.01 0.48 0.47
Northwest Africa 8656Martian (shergottite)4.27602.53400.31-0.31 0.36 0.52
Northwest Africa 8656Martian (shergottite)4.41702.62300.326-0.17 0.45 0.54
Northwest Africa 5990Martian (shergottite)4.21002.47000.281-0.38 0.3 0.49
Northwest Africa 10851Winonaite5.07802.1490-0.4920.49 -0.02 -0.28
Northwest Africa 7025Mesosiderite4.14901.9610-0.196-0.44 -0.21 0.02
Northwest Africa 2627Acapulcoite4.93001.8200-0.7440.34 -0.35 -0.53
Ramlat Fasad 533Martian (Shergottite)4.24302.52000.314-0.35 0.35 0.53
Northwest Africa 7944Martian (shergottite)4.37402.61500.341-0.22 0.44 0.55
Northwest Africa 10720Martian (nakhlite)4.58102.66900.287-0.01 0.5 0.5
Jiddat al Harasis 556Howardite4.98002.4800-0.110.39 0.31 0.1
Grapevine MesaCBa4.99802.4560-0.1430.41 0.28 0.07
Northwest Africa 2986Martian (shergottite)4.59002.67000.2830 0.5 0.5
Northwest Africa 10416Martian4.53902.66800.308-0.05 0.5 0.52
Northwest Africa 5990Martian (shergottite)4.15002.41000.252-0.44 0.24 0.47
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