Oxygen and carbon isotope data from late calcite and zeolite pore-fill cements at DSDP Site 445
| Cobertura |
LATITUDE: 25.522700 * LONGITUDE: 133.208200 * DATE/TIME START: 1978-01-11T00:00:00 * DATE/TIME END: 1978-01-11T00:00:00 |
|---|---|
| Data(s) |
01/10/1987
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| Resumo |
Oxygen isotopic composition of zeolite pore-fill cements in andesitic volcaniclastic sandstones recovered from DSDP Site 445 ranges from +30.1 to +17.8? (SMOW) downhole. This change is controlled by large heat flow from the basement which caused early diagenetic emplacement of zeolites during early basin rifting. d18O-values of late calcite cements range from +25.1 to +27.4? (SMOW); their petrographic relation and inferred temperature of formation suggest that calcite cements were formed during late stages of diagenesis. Isotopic composition in these sandstones is in agreement with mineral paragenesis determined microscopically. |
| Formato |
application/zip, 2 datasets |
| Identificador |
https://doi.pangaea.de/10.1594/PANGAEA.704910 doi:10.1594/PANGAEA.704910 |
| Idioma(s) |
en |
| Publicador |
PANGAEA |
| Direitos |
CC-BY: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted |
| Fonte |
Supplement to: Lee, Yong Il (1987): Isotopic aspects of thermal and burial diagenesis of sandstones at DSDP Site 445, Daito Ridge, Northwest Pacific Ocean. Chemical Geology, 65(2), 95-102, doi:10.1016/0168-9622(87)90066-2 |
| Palavras-Chave | #58-445; Comment; d13C; d18O; Deep Sea Drilling Project; delta 13C; delta 18O; Depth; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; isotopic; Leg58; Minerals; North Pacific/BASIN; ODP sample designation; of water in equilibrium with solid at 2°C; of water in equiolibrium with solid at 2°C; PDB; Sample code/label; SMOW; T cal; Temperature, calculated |
| Tipo |
Dataset |
