High-resolution airborne magnetic survey of the Republic Graben, Okanogan and Kettle metamorphic core complexes, Kootenay Arc and surrounding regions, Northeastern Washington

Dates

Publication Date: 2024-02-08
Start Date: 2022-09-26
End Date: 2023-08-21

Citation

Staisch, L. M., Connell, D. M., and Blakely, R. J., 2024, High-Resolution Airborne magnetic and radiometric survey of the Republic Graben, Okanogan and Kettle Metamorphic core complexes, Kootenay Arc and surrounding regions, Northeastern Washington: U.S. Geological Survey data release, https://doi.org/10.5066/P1PKEZOJ.

Summary

This release includes aeromagnetic data collected via low-altitude helicopter flown over northeastern Washington State, centered over the town of Republic, Washington. The data were acquired between September 26, 2022 and August 21, 2023 by Precision Geosurveys, Inc. of Langley, British Columbia and processed by EDCON-PRJ, Inc. of Lakewood, Colorado, contracted by the U.S. Geological Survey and funded through the Earth Mapping Resources Initiative (EarthMRI). The survey includes gridded data from target altitude of 80-100 meters above ground level, subject to aircraft climb and descent limitations. Primary transverse flight lines were flown in the east-west direction and spaced 200 meters apart. Tie lines were flown in the north-south [...]

Summary

This release includes aeromagnetic data collected via low-altitude helicopter flown over northeastern Washington State, centered over the town of Republic, Washington. The data were acquired between September 26, 2022 and August 21, 2023 by Precision Geosurveys, Inc. of Langley, British Columbia and processed by EDCON-PRJ, Inc. of Lakewood, Colorado, contracted by the U.S. Geological Survey and funded through the Earth Mapping Resources Initiative (EarthMRI). The survey includes gridded data from target altitude of 80-100 meters above ground level, subject to aircraft climb and descent limitations. Primary transverse flight lines were flown in the east-west direction and spaced 200 meters apart. Tie lines were flown in the north-south direction and spaced 2000 meters apart. Additionally, the survey includes two transect lines flown down the Similkameen and Okanogan Valleys where local topography was too extreme to maintain an ideal drape surface. A total of 94,506 line kilometers of data were collected over an area of 16,885 square kilometers. Survey procedures are described in detail in the document “WA_Republic_MAG_RAD_D22_Report_508.pdf” available in this data release. The Republic aeromagnetic survey was collected over steep and highly variable terrain, thus the terrain clearance should be considered carefully when modeling and interpreting magnetic data. This data release includes .csv file databases for the main survey and transect data collections and derivative magnetic data in map view in .tiff file format.

Contacts

Point of Contact :: Lydia M Staisch, U.S. Geological Survey, SOUTHWEST REGION
Originator :: Lydia M Staisch, Dylan M Connell, Richard J Blakely
Metadata Contact :: Lydia M Staisch, U.S. Geological Survey, SOUTHWEST REGION
Publisher :: U.S. Geological Survey
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Geology, Minerals, Energy, and Geophysics Science Center
USGS Mission Area :: Energy and Minerals

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Metadata_WA_Republic_MAG_D22.xml Original FGDC Metadata	View	25.28 KB	application/fgdc+xml
WA_Republic_mag_RTP.png		15.77 MB	image/png
		12.22 MB	text/csv
		5.02 GB	text/csv

Extension: Republic_mag_rtp.zip
Republic_mag_rtp.tfw		92 Bytes
Republic_mag_rtp.tif		29.39 MB
Republic_mag_rtp.tif.aux.xml		1.74 KB
Republic_mag_rtp.tif.ovr		7.73 MB
Republic_mag_rtp.tif.xml		598 Bytes
Republic_mag_rtp.tif-ColorRamp.SLD		2.09 KB

Extension: Republic_mag_tmi.zip
Republic_mag_tmi.tfw		92 Bytes
Republic_mag_tmi.tif		29.33 MB
Republic_mag_tmi.tif.aux.xml		1.73 KB
Republic_mag_tmi.tif.ovr		7.73 MB
Republic_mag_tmi.tif.xml		594 Bytes
Republic_mag_tmi.tif-ColorRamp.SLD		2.09 KB

Extension: Republic_mag_tmi_vg.zip
Republic_mag_tmi_vg.tfw		92 Bytes
Republic_mag_tmi_vg.tif		31.56 MB
Republic_mag_tmi_vg.tif.aux.xml		1.54 KB
Republic_mag_tmi_vg.tif.ovr		8.01 MB
Republic_mag_tmi_vg.tif.xml		604 Bytes
Republic_mag_tmi_vg.tif-ColorRamp.SLD		2.09 KB

Purpose

These data were collected as part of the Earth Mapping Resources Initiative (Earth MRI) program of the U.S. Geological Survey (USGS) in collaboration with the Washington Department of Natural Resources to better understand the geology and critical mineral resources in the area.

High-resolution airborne magnetic survey of the Republic Graben, Okanogan and Kettle metamorphic core complexes, Kootenay Arc and surrounding regions, Northeastern Washington

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