Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Whole rock geochemistry and uranium-lead isotopic data from Mesoproterozoic rocks in the Eagle Lake quadrangle, Essex County, New York

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2023-04-13T00:00:00Z
This data release includes whole rock (WR) geochemical data, and uranium-lead isotopic data collected using a sensitive high resolution ion microprobe-reverse geometry (SHRIMP-RG) instrument; the SHRIMP-RG is a type of secondary ion mass spectrometer (SIMS). Whole rock geochemistry data were analyzed at Bureau Veritas Commodities Canada Ltd. Laboratories in Vancouver, British Columbia, Canada. SHRIMP-RG data were collected at the USGS-Stanford University SHRIMP-RG in Palo Alto, California, USA. Rock samples for all methods were collected by Phillip Geer, Sean Regan, and Greg Walsh. SHRIMP-RG sample preparation and analyses were conducted by Ryan McAleer. The whole rock geochemistry and uranium-lead (U-Pb) isotopic data constrain the age of a mapped meta-plutonic unit in the eastern Adirondack Mountains of New York. The data release contains six files, including one metadata file and 5 comma-delimited (CSV) files. The CSV files include the following: EagleLake_SHRIMP_data.csv, EagleLake_SHRIMP_data_dictionary.csv, EagleLake_SHRIMP_summary.csv, EagleLake_WR_data.csv, and EagleLake_WR_data_dictionary.csv.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov