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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034
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| Zeitschriftentitel: | Science |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , , , , |
| In: | Science, 339, 2013, 6121, S. 780-785 |
| Medientyp: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: | |
| Schlagwörter: |
| author_facet |
Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. |
|---|---|
| author |
Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. |
| spellingShingle |
Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. Science Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 RESEARCH ARTICLES |
| author_sort |
agee, carl b. |
| spelling |
Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. 0036-8075 1095-9203 American Association for the Advancement of Science RESEARCH ARTICLES http://dx.doi.org/10.1126/science.1228858 <p>We report data on the martian meteorite Northwest Africa (NWA) 7034, which shares some petrologic and geochemical characteristics with known martian meteorites of the SNC (i.e., shergottite, nakhlite, and chassignite) group, but also has some unique characteristics that would exclude it from that group. NWA 7034 is a geochemically enriched crustal rock compositionally similar to basalts and average martian crust measured by recent Rover and Orbiter missions. It formed 2.089 ± 0.081 billion years ago, during the early Amazonian epoch in Mars' geologic history. NWA 7034 has an order of magnitude more indigenous water than most SNC meteorites, with up to 6000 parts per million extraterrestrial H2O released during stepped heating. It also has bulk oxygen isotope values of Δ 17 O = 0.58 ± 0.05 per mil and a heat-released water oxygen isotope average value of Δ 17 O = 0.330 ± 0.011 per mil, suggesting the existence of multiple oxygen reservoirs on Mars.</p> Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 Science |
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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
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Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
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unique meteorite from early amazonian mars: water-rich basaltic breccia northwest africa 7034 |
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RESEARCH ARTICLES |
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http://dx.doi.org/10.1126/science.1228858 |
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2013 |
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780-785 |
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We report data on the martian meteorite Northwest Africa (NWA) 7034, which shares some petrologic and geochemical characteristics with known martian meteorites of the SNC (i.e., shergottite, nakhlite, and chassignite) group, but also has some unique characteristics that would exclude it from that group. NWA 7034 is a geochemically enriched crustal rock compositionally similar to basalts and average martian crust measured by recent Rover and Orbiter missions. It formed 2.089 ± 0.081 billion years ago, during the early Amazonian epoch in Mars' geologic history. NWA 7034 has an order of magnitude more indigenous water than most SNC meteorites, with up to 6000 parts per million extraterrestrial H2O released during stepped heating. It also has bulk oxygen isotope values of Δ 17 O = 0.58 ± 0.05 per mil and a heat-released water oxygen isotope average value of Δ 17 O = 0.330 ± 0.011 per mil, suggesting the existence of multiple oxygen reservoirs on Mars.
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| author | Agee, Carl B., Wilson, Nicole V., McCubbin, Francis M., Ziegler, Karen, Polyak, Victor J., Sharp, Zachary D., Asmerom, Yemane, Nunn, Morgan H., Shaheen, Robina, Thiemens, Mark H., Steele, Andrew, Fogel, Marilyn L., Bowden, Roxane, Glamoclija, Mihaela, Zhang, Zhisheng, Elardo, Stephen M. |
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| description | We report data on the martian meteorite Northwest Africa (NWA) 7034, which shares some petrologic and geochemical characteristics with known martian meteorites of the SNC (i.e., shergottite, nakhlite, and chassignite) group, but also has some unique characteristics that would exclude it from that group. NWA 7034 is a geochemically enriched crustal rock compositionally similar to basalts and average martian crust measured by recent Rover and Orbiter missions. It formed 2.089 ± 0.081 billion years ago, during the early Amazonian epoch in Mars' geologic history. NWA 7034 has an order of magnitude more indigenous water than most SNC meteorites, with up to 6000 parts per million extraterrestrial H2O released during stepped heating. It also has bulk oxygen isotope values of Δ 17 O = 0.58 ± 0.05 per mil and a heat-released water oxygen isotope average value of Δ 17 O = 0.330 ± 0.011 per mil, suggesting the existence of multiple oxygen reservoirs on Mars. |
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| spelling | Agee, Carl B. Wilson, Nicole V. McCubbin, Francis M. Ziegler, Karen Polyak, Victor J. Sharp, Zachary D. Asmerom, Yemane Nunn, Morgan H. Shaheen, Robina Thiemens, Mark H. Steele, Andrew Fogel, Marilyn L. Bowden, Roxane Glamoclija, Mihaela Zhang, Zhisheng Elardo, Stephen M. 0036-8075 1095-9203 American Association for the Advancement of Science RESEARCH ARTICLES http://dx.doi.org/10.1126/science.1228858 <p>We report data on the martian meteorite Northwest Africa (NWA) 7034, which shares some petrologic and geochemical characteristics with known martian meteorites of the SNC (i.e., shergottite, nakhlite, and chassignite) group, but also has some unique characteristics that would exclude it from that group. NWA 7034 is a geochemically enriched crustal rock compositionally similar to basalts and average martian crust measured by recent Rover and Orbiter missions. It formed 2.089 ± 0.081 billion years ago, during the early Amazonian epoch in Mars' geologic history. NWA 7034 has an order of magnitude more indigenous water than most SNC meteorites, with up to 6000 parts per million extraterrestrial H2O released during stepped heating. It also has bulk oxygen isotope values of Δ 17 O = 0.58 ± 0.05 per mil and a heat-released water oxygen isotope average value of Δ 17 O = 0.330 ± 0.011 per mil, suggesting the existence of multiple oxygen reservoirs on Mars.</p> Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 Science |
| spellingShingle | Agee, Carl B., Wilson, Nicole V., McCubbin, Francis M., Ziegler, Karen, Polyak, Victor J., Sharp, Zachary D., Asmerom, Yemane, Nunn, Morgan H., Shaheen, Robina, Thiemens, Mark H., Steele, Andrew, Fogel, Marilyn L., Bowden, Roxane, Glamoclija, Mihaela, Zhang, Zhisheng, Elardo, Stephen M., Science, Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034, RESEARCH ARTICLES |
| title | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| title_full | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| title_fullStr | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| title_full_unstemmed | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| title_short | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| title_sort | unique meteorite from early amazonian mars: water-rich basaltic breccia northwest africa 7034 |
| title_unstemmed | Unique Meteorite from Early Amazonian Mars: Water-Rich Basaltic Breccia Northwest Africa 7034 |
| topic | RESEARCH ARTICLES |
| url | http://dx.doi.org/10.1126/science.1228858 |