Oxygen Isotope Plots

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Meteoritical Bulletin: Oxygen Isotope Plots

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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:

Clayton R. N. and Mayeda T. K. (1999) Oxygen isotope studies of carbonaceous chondrites. Geochim. Cosmochim. Acta 63, 2089-2017 (link)
Clayton R. N. and Mayeda T. K. (1999) Oxygen isotope studies of carbonaceous chondrites. Geochim. Cosmochim. Acta 63, 2089-2017 (link)
Clayton R. N., Onuma N., Grossman L. and Mayeda T. K. (1977) Distribution of the pre-solar component in Allende and other carbonaceous chondrites. Earth Planet. Sci. Lett. 34, 209-224 (link)
Franchi I. A., Wright I. P., Sexton A. S. and Pillinger C. T. (1999) The oxygen-isotopic composition of Earth and Mars. Meteorit. Planet. Sci. 34, 657-661. (link)
Greenwood R.C., Franchi I.A., Gibson J.M. and Benedix G.K. (2012) Oxygen isotope variation in primitive achondrites: The influence of primordial, asteroidal and terrestrial processes. Geochim. Cosmochim. Acta 94, 146-163. (link)
Greenwood R.C., Franchi I.A., Gibson J.M. and Benedix G.K. (2012) Oxygen isotope variation in primitive achondrites: The influence of primordial, asteroidal and terrestrial processes. Geochim. Cosmochim. Acta 94, 146-163. (link)
Young E. D. and Russell S. S. (1998) Oxygen reservoirs in the early solar nebula inferred from an Allende CAI. Science 282, 452-455 (link)

Data summary:

δ¹⁸O	δ¹⁷O	Δ¹⁷O: given	Δ¹⁷O: linear
4.9080	2.3450	-0.2460	-0.207
5.5730	2.7130	-0.2290	-0.185
5.1190	2.4560	-0.2470	-0.206

Nearest neighbors in MBDB (within 0.5 permil):

Name	Class	δ¹⁸O	δ¹⁷O	Δ¹⁷O: calc	Δ δ¹⁸O	Δ δ¹⁷O	Δ Δ¹⁷O
Northwest Africa 6023	Brachinite-an	5.2260	2.4910	-0.227	0.03	-0.01	-0.03
Northwest Africa 4042	Achondrite-ung	5.1780	2.5390	-0.154	-0.02	0.03	0.05
Northwest Africa 13673	Achondrite (brachinite-like)	5.2000	2.4440	-0.26	0	-0.06	-0.06
Thiel Mountains 07014	Eucrite	5.2700	2.5100	-0.23	0.07	0.01	-0.03
Northwest Africa 6023	Brachinite-an	5.1620	2.4450	-0.239	-0.04	-0.06	-0.04
Northwest Africa 10637	Brachinite	5.2730	2.5260	-0.216	0.07	0.02	-0.02
Kota-Kota	EH3	5.1200	2.5200	-0.142	-0.08	0.02	0.06
Silistra	Achondrite-ung	5.3000	2.5000	-0.256	0.1	-0	-0.06
Northwest Africa 4929	Brachinite	5.3300	2.4900	-0.282	0.13	-0.01	-0.08
Northwest Africa 6023	Brachinite-an	5.1100	2.4020	-0.255	-0.09	-0.1	-0.06
Dhofar 1983	Lunar (feldsp. breccia)	5.1000	2.6000	-0.052	-0.1	0.1	0.15
Bishopville	Aubrite	5.0850	2.5870	-0.057	-0.12	0.08	0.14
Peña Blanca Spring	Aubrite	5.2670	2.6390	-0.1	0.07	0.13	0.1
Northwest Africa 6077	Achondrite-ung	5.1800	2.6670	-0.027	-0.02	0.16	0.17
Allan Hills A78113	Aubrite	5.2700	2.6700	-0.07	0.07	0.17	0.13
Elephant Moraine 83322	EH3	5.1760	2.6850	-0.007	-0.02	0.18	0.19
Northwest Africa 10637	Brachinite	5.0480	2.4020	-0.223	-0.15	-0.1	-0.02
Northwest Africa 13673	Achondrite (brachinite-like)	5.3820	2.5350	-0.264	0.18	0.03	-0.06
Elephant Moraine 90033	Aubrite	5.1800	2.6900	-0.004	-0.02	0.19	0.2
Northwest Africa 7904	Brachinite	5.1660	2.6940	0.008	-0.03	0.19	0.21
Northwest Africa 13673	Achondrite (brachinite-like)	5.3900	2.5450	-0.258	0.19	0.04	-0.06
Northwest Africa 8059	LL3.05	5.2770	2.6880	-0.056	0.08	0.18	0.14
MacAlpine Hills 88136	EL3	5.0010	2.5100	-0.091	-0.2	0.01	0.11
Northwest Africa 2251	Howardite	5.2000	2.3000	-0.404	0	-0.2	-0.2
Lewis Cliff 87007	Aubrite	5.0900	2.6800	0.033	-0.11	0.18	0.23
Grapevine Mesa	CBa	4.9980	2.4560	-0.143	-0.2	-0.05	0.06
Elephant Moraine 90033	Aubrite	5.0260	2.6190	0.005	-0.17	0.11	0.2
Northwest Africa 8173	Enst achon	5.0130	2.6050	-0.002	-0.19	0.1	0.2
Northwest Africa 8173	Enst achon	5.2650	2.7080	-0.03	0.06	0.2	0.17
Norton County	Aubrite	5.0200	2.6200	0.01	-0.18	0.12	0.21
Lewis Cliff 88714	EL6	5.0180	2.6180	0.009	-0.18	0.11	0.21
Happy Canyon	EL6/7	4.9860	2.5260	-0.067	-0.21	0.02	0.13
South Oman	EH4/5	5.4100	2.4400	-0.373	0.21	-0.06	-0.17
Peña Blanca Spring	Aubrite	5.1900	2.7250	0.026	-0.01	0.22	0.23
Jiddat al Harasis 556	Howardite	4.9800	2.4800	-0.11	-0.22	-0.02	0.09
Errachidia 004	Winonaite	5.2760	2.2960	-0.448	0.08	-0.21	-0.25
Peña Blanca Spring	Aubrite	5.0600	2.6800	0.049	-0.14	0.18	0.25
Northwest Africa 5400	Achondrite-ung	5.0610	2.6810	0.049	-0.14	0.18	0.25
Old Homestead 003	Howardite	5.0200	2.3700	-0.24	-0.18	-0.13	-0.04
Northwest Africa 1457	Winonaite	5.1000	2.3000	-0.352	-0.1	-0.2	-0.15
Northwest Africa 4537	Aubrite	5.0210	2.6500	0.039	-0.18	0.15	0.24
LaPaz Icefield 03719	Aubrite-an	5.1600	2.7320	0.049	-0.04	0.23	0.25
Norton County	Aubrite	4.9790	2.5720	-0.017	-0.22	0.07	0.18
Northwest Africa 5400	Achondrite-ung	5.2230	2.7410	0.025	0.02	0.24	0.22
LaPaz Icefield 02233	Aubrite	5.1600	2.7400	0.057	-0.04	0.24	0.26
Northwest Africa 7904	Brachinite	4.9990	2.6340	0.035	-0.2	0.13	0.23
Northwest Africa 6369	Iron, IAB complex	5.3900	2.3500	-0.453	0.19	-0.15	-0.25
Northwest Africa 5548	Achondrite-ung	5.0800	2.7200	0.078	-0.12	0.22	0.28
Pecora Escarpment 91020	EL3	5.2700	2.7440	0.004	0.07	0.24	0.2
Northwest Africa 4741	Achondrite-ung	4.9900	2.6400	0.045	-0.21	0.14	0.24
Mayo Belwa	Aubrite	4.9530	2.5470	-0.029	-0.25	0.04	0.17
Bishopville	Aubrite	5.2900	2.7400	-0.011	0.09	0.24	0.19
Cumberland Falls	Aubrite	5.1800	2.7600	0.066	-0.02	0.26	0.27
Lewis Cliff 88180	EH5	5.2950	2.7460	-0.007	0.09	0.24	0.19
Allan Hills A78113	Aubrite	5.1170	2.7510	0.09	-0.08	0.25	0.29
Khor Temiki	Aubrite	5.2870	2.7520	0.003	0.09	0.25	0.2
Northwest Africa 13432	Winonaite	5.3280	2.2720	-0.499	0.13	-0.23	-0.3
Allan Hills A78113	Aubrite	5.2200	2.7700	0.056	0.02	0.27	0.25
Northwest Africa 5548	Achondrite-ung	5.0000	2.6900	0.09	-0.2	0.19	0.29
Tanezrouft 031	EL5	5.2590	2.7710	0.036	0.06	0.27	0.24
Northwest Africa 13917	Winonaite	5.2360	2.2320	-0.491	0.04	-0.27	-0.29
Allan Hills 84007	Aubrite	5.2470	2.7790	0.051	0.05	0.27	0.25
Peña Blanca Spring	Aubrite	5.3200	2.7600	-0.006	0.12	0.26	0.19
Northwest Africa 10851	Winonaite	5.2420	2.2240	-0.502	0.04	-0.28	-0.3
Larkman Nunatak 04316	Aubrite	5.2780	2.7780	0.033	0.08	0.27	0.23
Northwest Africa 14988	Winonaite	5.3900	2.2910	-0.512	0.19	-0.21	-0.31
Northwest Africa 10851	Winonaite	5.4380	2.3450	-0.483	0.24	-0.16	-0.28
LaPaz Icefield 02233	Aubrite	5.2500	2.7900	0.06	0.05	0.29	0.26
Northwest Africa 7388	Brachinite	5.4130	2.7050	-0.11	0.21	0.2	0.09
Northwest Africa 10602	Eucrite-melt breccia	4.9520	2.3490	-0.226	-0.25	-0.16	-0.03
Peña Blanca Spring	Aubrite	5.1800	2.8000	0.106	-0.02	0.3	0.31
Peña Blanca Spring	Aubrite	5.1600	2.8000	0.117	-0.04	0.3	0.32
Shallowater	Aubrite	5.3400	2.7700	-0.007	0.14	0.27	0.19
Cumberland Falls	Aubrite	5.3900	2.7400	-0.063	0.19	0.24	0.14
Peña Blanca Spring	Aubrite	5.3300	2.7800	0.008	0.13	0.28	0.21
Mount Egerton	Aubrite-an	5.3060	2.7920	0.033	0.11	0.29	0.23
Allan Hills 88046	EH3	4.9050	2.4200	-0.131	-0.3	-0.08	0.07
Northwest Africa 13432	Winonaite	5.1960	2.1960	-0.506	-0	-0.31	-0.31
Northwest Africa 4518	Achondrite-ung	5.4700	2.6600	-0.184	0.27	0.16	0.01
Northwest Africa 6172	Achondrite-ung	5.3500	2.7800	-0.002	0.15	0.28	0.2
Adhi Kot	EH4	5.4100	2.7430	-0.07	0.21	0.24	0.13
Itqiy	EH7-an	5.2500	2.8200	0.09	0.05	0.32	0.29
Northwest Africa 5400	Achondrite-ung	4.8800	2.5250	-0.013	-0.32	0.02	0.19
Northwest Africa 11807	Winonaite	5.4870	2.3600	-0.493	0.29	-0.14	-0.29
Ramlat Fasad 531	Winonaite	5.5060	2.4000	-0.463	0.31	-0.1	-0.26
Aubres	Aubrite	5.2920	2.8190	0.067	0.09	0.31	0.27
Northwest Africa 7904	Brachinite	5.3480	2.7970	0.016	0.15	0.29	0.22
St. Mark's	EH5	5.2400	2.8300	0.105	0.04	0.33	0.3
Blithfield	EL6	5.2900	2.8200	0.069	0.09	0.32	0.27
Northwest Africa 11729	Eucrite-an	4.9340	2.3010	-0.265	-0.27	-0.2	-0.07
Thiel Mountains 91714	EL5	5.2790	2.8330	0.088	0.08	0.33	0.29
Northwest Africa 13917	Winonaite	5.1070	2.1790	-0.477	-0.09	-0.33	-0.28
Bustee	Aubrite	5.3490	2.8090	0.028	0.15	0.3	0.23
Parsa	EH3	5.3300	2.8200	0.048	0.13	0.32	0.25
Northwest Africa 6448	Winonaite	5.1550	2.1660	-0.515	-0.04	-0.34	-0.32
Elephant Moraine 87521	Lunar (basalt)	5.3900	2.7900	-0.013	0.19	0.29	0.19
Northwest Africa 6448	Winonaite	5.1340	2.1670	-0.503	-0.07	-0.34	-0.3
Zakłodzie	Enst achon-ung	4.8600	2.5600	0.033	-0.34	0.06	0.23
Adhi Kot	EH4	5.4200	2.7700	-0.048	0.22	0.27	0.15
El Médano 395	Brachinite	4.8970	2.3290	-0.217	-0.3	-0.18	-0.02
Northwest Africa 3151	Brachinite	4.8600	2.4200	-0.107	-0.34	-0.08	0.09
Dhofar 1441	Achondrite-ung	5.5080	2.6750	-0.189	0.31	0.17	0.01
MacAlpine Hills 88104	Lunar (anorth)	5.5000	2.7000	-0.16	0.3	0.2	0.04
Sahara 97096	EH3	5.4450	2.7660	-0.065	0.25	0.26	0.13
Pesyanoe	Aubrite	5.3700	2.8200	0.028	0.17	0.32	0.23
Norton County	Aubrite	5.3780	2.8270	0.03	0.18	0.32	0.23
Northwest Africa 5885	Aubrite	5.3350	2.8490	0.075	0.14	0.34	0.27
Bustee	Aubrite	4.8300	2.5100	-0.002	-0.37	0.01	0.2
Yamato 691	EH3	4.8300	2.4600	-0.052	-0.37	-0.04	0.15
Elephant Moraine 92063	EL6	5.4340	2.7960	-0.03	0.23	0.29	0.17
Silistra	Achondrite-ung	5.5500	2.6400	-0.246	0.35	0.14	-0.05
Northwest Africa 10851	Winonaite	5.0780	2.1490	-0.492	-0.12	-0.36	-0.29
Old Homestead 003	Howardite	4.8800	2.3000	-0.238	-0.32	-0.2	-0.04
Northwest Africa 11729	Eucrite-an	5.5400	2.6800	-0.201	0.34	0.18	-0
Northwest Africa 11807	Winonaite	5.5670	2.3950	-0.5	0.37	-0.11	-0.3
Allan Hills A78113	Aubrite	5.3500	2.8600	0.078	0.15	0.36	0.28
Allan Hills A78113	Aubrite	4.8100	2.5300	0.029	-0.39	0.03	0.23
Northwest Africa 12543	Winonaite	5.1180	2.1200	-0.541	-0.08	-0.38	-0.34
Khor Temiki	Aubrite	5.3600	2.8700	0.083	0.16	0.37	0.28
Itqiy	EH7-an	4.8000	2.5300	0.034	-0.4	0.03	0.23
Northwest Africa 15317	Angrite	4.8020	2.4570	-0.04	-0.4	-0.05	0.16
Northwest Africa 7605	Brachinite	4.8220	2.3700	-0.137	-0.38	-0.13	0.06
Dar al Gani 670	Martian (shergottite)	4.9500	2.8300	0.256	-0.25	0.33	0.46
Pesyanoe	Aubrite	4.7890	2.4570	-0.033	-0.41	-0.05	0.17
Northwest Africa 12543	Winonaite	5.5830	2.3450	-0.558	0.38	-0.16	-0.36
Dar al Gani 1037	Martian (shergottite)	5.2900	2.9100	0.159	0.09	0.41	0.36
Northwest Africa 12241	Martian (shergottite)	5.0920	2.9070	0.259	-0.11	0.4	0.46
Northwest Africa 10637	Brachinite	4.7940	2.4050	-0.088	-0.41	-0.1	0.11
Dhofar 622	H4-an	5.1500	2.9200	0.242	-0.05	0.42	0.44
Northwest Africa 12951	Winonaite	5.0350	2.1190	-0.499	-0.17	-0.39	-0.3
Grapevine Mesa	CBa	5.2830	2.0910	-0.656	0.08	-0.41	-0.46
Zakłodzie	Enst achon-ung	5.3500	2.9000	0.118	0.15	0.4	0.32
Larkman Nunatak 06319	Martian (shergottite)	4.9200	2.8300	0.272	-0.28	0.33	0.47
Mayo Belwa	Aubrite	5.4800	2.8300	-0.02	0.28	0.33	0.18
Northwest Africa 8679	Martian (shergottite)	4.9340	2.8450	0.279	-0.27	0.34	0.48
Northwest Africa 6023	Brachinite-an	4.8380	2.2690	-0.247	-0.36	-0.24	-0.05
Northwest Africa 8686	Martian (shergottite)	4.9840	2.8790	0.287	-0.22	0.37	0.49
Northwest Africa 10153	Martian (nakhlite)	4.9630	2.8700	0.289	-0.24	0.37	0.49
Socorro	Martian (shergottite)	4.9140	2.8340	0.279	-0.29	0.33	0.48
Yilmia	EL6	5.4720	2.8470	0.002	0.27	0.34	0.2
Ilafegh 009	EL7	5.3790	2.9060	0.109	0.18	0.4	0.31
Ben Kesbes 002	Martian (shergottite)	4.9000	2.8260	0.278	-0.3	0.32	0.48
Northwest Africa 7944	Martian (shergottite)	4.8920	2.8190	0.275	-0.31	0.31	0.47
Northwest Africa 12542	Martian (nakhlite)	5.0760	2.9270	0.287	-0.12	0.42	0.49
Abar al' Uj 012	Lunar	5.4600	2.8600	0.021	0.26	0.36	0.22
Northwest Africa 12241	Martian (shergottite)	4.8750	2.8080	0.273	-0.33	0.3	0.47
LaPaz Icefield 02205	Lunar (basalt)	5.6000	2.7000	-0.212	0.4	0.2	-0.01
Dar al Gani 489	Martian (shergottite)	4.9800	2.8950	0.305	-0.22	0.39	0.5
Northwest Africa 4222	Martian (shergottite)	4.9100	2.8500	0.297	-0.29	0.35	0.5
Pesyanoe	Aubrite	5.4590	2.8740	0.035	0.26	0.37	0.23
South Oman	EH4/5	5.6330	2.6320	-0.297	0.43	0.13	-0.1
Allan Hills A81021	EL6	5.4970	2.8450	-0.013	0.3	0.34	0.19
Northwest Africa 8679	Martian (shergottite)	4.9740	2.8960	0.31	-0.23	0.39	0.51
Aubres	Aubrite	5.4660	2.8710	0.029	0.27	0.37	0.23
Ben Kesbes 002	Martian (shergottite)	4.8650	2.8100	0.28	-0.34	0.31	0.48
Qingzhen	EH3	5.5200	2.8260	-0.044	0.32	0.32	0.15
Northwest Africa 12908	Martian (shergottite)	4.9670	2.8960	0.313	-0.23	0.39	0.51
Northwest Africa 12542	Martian (nakhlite)	5.0960	2.9500	0.3	-0.1	0.45	0.5
Willaroy	H3.8-an	5.0300	2.9300	0.314	-0.17	0.43	0.51
Northwest Africa 10720	Martian (nakhlite)	4.9030	2.8540	0.304	-0.3	0.35	0.5
Socorro	Martian (shergottite)	4.8790	2.8360	0.299	-0.32	0.33	0.5
Socorro	Martian (shergottite)	5.0730	2.9510	0.313	-0.13	0.45	0.51
Tissint	Martian (shergottite)	4.9430	2.8920	0.322	-0.26	0.39	0.52
Northwest Africa 6424	Achondrite-ung	5.4600	2.8900	0.051	0.26	0.39	0.25
Jiddat al Harasis 479	Martian (shergottite)	5.0700	2.9510	0.315	-0.13	0.45	0.51
Northwest Africa 11044	Martian (shergottite)	5.0330	2.9480	0.331	-0.17	0.44	0.53
Northwest Africa 13304	Aubrite	5.5110	2.8680	0.002	0.31	0.36	0.2
Northwest Africa 8649	LL3.05	4.8960	2.8750	0.329	-0.3	0.37	0.53
Northwest Africa 11288	Martian (shergottite)	4.9320	2.9020	0.337	-0.27	0.4	0.54
Northwest Africa 7755	Martian (shergottite)	5.1880	2.9880	0.29	-0.01	0.48	0.49
Northwest Africa 6065	Achondrite-ung	5.5580	2.8300	-0.06	0.36	0.33	0.14
Northwest Africa 11044	Martian (shergottite)	4.8860	2.8750	0.334	-0.31	0.37	0.53
Northwest Africa 8124	LL3	4.7180	2.5680	0.115	-0.48	0.06	0.31
Ilafegh 009	EL7	5.5100	2.8800	0.015	0.31	0.38	0.21
Northwest Africa 2828	EL-melt rock	5.5000	2.8900	0.03	0.3	0.39	0.23
Northwest Africa 10659	Martian (nakhlite)	5.1390	2.9900	0.318	-0.06	0.49	0.52
Queen Alexandra Range 94204	EH7	4.7130	2.4530	0.002	-0.49	-0.05	0.2
Ben Kesbes 002	Martian (shergottite)	4.8200	2.8140	0.308	-0.38	0.31	0.51
Northwest Africa 15317	Angrite	4.7340	2.3530	-0.109	-0.47	-0.15	0.09
Northwest Africa 7755	Martian (shergottite)	4.8860	2.8820	0.341	-0.31	0.38	0.54
Larkman Nunatak 06319	Martian (shergottite)	4.8500	2.8500	0.328	-0.35	0.35	0.53
Tissint	Martian (shergottite)	4.8440	2.8490	0.33	-0.36	0.34	0.53
Northwest Africa 10720	Martian (nakhlite)	4.8020	2.8000	0.303	-0.4	0.3	0.5
Northwest Africa 11115	Martian (shergottite)	4.8210	2.8290	0.322	-0.38	0.32	0.52

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