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  3. Geochemistry of authigenic carbonates from Cascadia Margin

Geochemistry of authigenic carbonates from Cascadia Margin

Dates

Publication Date
Start Date
2001-08-07
End Date
2021-08-03

Citation

Prouty, N.G., 2023, Geochemistry of authigenic carbonates from Cascadia Margin: U.S. Geological Survey data release, https://doi.org/10.5066/P9J10NH5.

Summary

Geochemical analysis of authigenic carbonates from the Cascadia Subduction Zone. Powdered carbonate samples for stable carbon (delta-C-13) and oxygen (delta-O-18) isotopes and carbonate phase were analyzed as a proxy for potential fluid sources, and to better understand how process, such as mixing, and oxidation, can alter the initial fluid isotopic composition and the archived fluid-source signature in the authigenic carbonates.

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Nancy G Prouty
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Pacific Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

Attached Files

Click on title to download individual files attached to this item.

Cascadia_MDAC_geochemistry_metadata.xml
Original FGDC Metadata
View 		19.73 KB application/fgdc+xml
Cascadia_MDAC_geochemistry_map.jpg
“Map of Cascadia MDAC sample locations” 		thumbnail 1.68 MB image/jpeg
Cascadia_MDAC_geochemistry.csv 31.35 KB text/csv

Purpose

These samples were collected and analyzed as part of an effort to determine the origin and occurrence of venting along the Cascadia Subduction Zone, including determining linkages between seeps and submarine tectonic geomorphology.
Map of Cascadia MDAC sample locations
Map of Cascadia MDAC sample locations

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Communities

  • Pacific Coastal and Marine Science Center
  • USGS Data Release Products

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9J10NH5

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