Age estimation methods

Methods used to determine the age of earth materials, typically by laboratory analysis of properties of those materials.
This category is also used for dating methods.
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Sr/Ca and linear extension data for five modern Orbicella faveolata colonies from Dry Tortugas National Park, Florida, USA

This data release includes new, sub-annual Strontium/Calcium (Sr/Ca) and annual linear extension rates covering a period between 1980 and 2012 for five colonies of the massive coral, Orbicella faveolata (O. faveolata). All five coral colonies were collected live by U.S. Geological Survey (USGS) scientists from the Dry Tortugas National Park (DTNP), Florida (FL) in August 2008 and May 2012.

St. Petersburg Coastal and Marine Science Center's Geologic Core and Sample Database Metadata

This database contains a comprehensive inventory of geologic (coral, coral reef, limestone, and sediment) cores and samples collected, analyzed, published, and/or archived by, or in collaboration with, the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center (USGS SPCMSC). The SPCMSC Geologic Core and Sample Database includes geologic cores and samples collected beginning in the 1970s to present day, from study sites across the world. This database captures metadata about samples ...