The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Composition of altered oceanic crust at ODP Sites 801 and 1149
Open accessAbstract
We present a comprehensive major and trace element dataset establishing ODP Site 801 as a geochemical reference for altered oceanic crust. The composition of old crustal sequences like those at Sites 801 and 1149 are critical to developing models of crustal aging and seawater chemistry evolution and to understanding the fate of crust consumed at subduction zones. Our estimate of the bulk composition of oceanic crust at Site 801 comprises ICP‐AES and ICP‐MS analyses of 117 discrete samples, 14 mixed composites and 5 glasses from the upper 500 m of Jurassic Pacific crust. Comparing the 801 “super‐composite” with glass reveals enrichment of U (5x), Li (2x), K 2 O (4x), Rb (9x), and Cs (7x), similar to DSDP Sites 417/418, but little to no enrichment in Ba or Pb. The data also demonstrate good (∼10%) agreement between U measured on discrete samples and natural gamma logs, suggesting logging data is a reliable means of establishing bulk geochemical characteristics of oceanic crust. Data reported here serve to link other geochemical and mineralogical measurements on Site 801 and 1149 samples. We also document Boston University sample preparation procedures and instrument parameters for ICP‐MS and ICP‐AES analyses, and provide comparisons with other laboratories and techniques. We present new techniques for basaltic glass analyses using the Boston University 213 nm Nd‐YAG LA‐ICP‐MS system, and show the data agree well with both solution‐ICP‐MS (5–10%) and ion probe measurements (∼10%).
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Cited by
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Metadata
- Authors
- Kelley, K. A., Plank, T., Ludden, J., & Staudigel, H.
- Venue
- Geochemistry, Geophysics, Geosystems
- Publisher
- American Geophysical Union (AGU)
- Published
- 2003-06
- Volume
- 4
- Issue
- 6
- ISSN
- 1525-2027 (ISSN-L)
- OpenAlex
- W1552583707
- Cited by
- 573
- References
- 30
- FWCI
- 20.70
- Type
- journal article
- Language
- en
- Open access
- bronze
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