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  3. Crustal Architecture Beneath the Southern Midcontinent (USA) -- Data Grids and 3D Geophysical Models
  4. Crustal magnetic susceptibility model for the southern midcontinent

Crustal magnetic susceptibility model for the southern midcontinent

Dates

Publication Date

Citation

Phillips, J.D., and McCafferty, A.E., 2019, Crustal Architecture Beneath the Southern Midcontinent (USA) -- Data Grids and 3D Geophysical Models: U.S. Geological Survey data release, https://doi.org/10.5066/P9GDWR0C.

Summary

This 3D voxel model of magnetic susceptibility in GOCAD format was used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019). The study covered a rectangular, multi-state area of 924 by 924 kilometers centered on Missouri, and a corresponding volume extending from the topographic surface to a depth of 50 kilometers below sea level. The 3D voxel model describes the magnetic susceptibility of the crust as interpreted using 3D inversion. The masked version excludes magnetic susceptibilities in areas where the Precambrian basement surface elevations are unknown. The individual voxel elements are 2,000 by 2,000 meters by 500 meters thick. The GOCAD voxel (GRID3D or Voxet) file format is [...]

Contacts

Point of Contact :
Anne E McCafferty, Geology, Geophysics, and Geochemistry Science Center
Originator :
Jeffrey D Phillips, Anne E McCafferty
Metadata Contact :
Jeffrey D Phillips, Geology, Geophysics, and Geochemistry Science Center
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Geology, Geophysics, and Geochemistry Science Center
USGS Mission Area :
Energy and Minerals

Attached Files

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CrustalArchitecture_MagSusceptibilityModel.xml
Original FGDC Metadata
View 		24.37 KB application/fgdc+xml
NewSuscCGS.vo
“Magnetic susceptibility model header file” 		605 Bytes text/plain
NewSuscCGS.vox
“Magnetic susceptibility model data file” 		83.05 MB application/x-authorware-bin
GraphicalAbstractConcept_Crust.jpg
“Conceptual model and 3D Magnetic Susceptibility Model” 		thumbnail 3.04 MB image/jpeg
NewSuscCGSMasked.vo
“Masked magnetic susceptibility model header file” 		611 Bytes text/plain
NewSuscCGSMasked.vox
“Masked magnetic susceptibility model data file” 		83.05 MB application/x-authorware-bin

Purpose

The 3D voxel models were used to study crustal architecture beneath the Southern Midcontinent (USA) related to transport of ore-forming fluids from the upper mantle to shallow-levels within the Precambrian crust.
Conceptual model and 3D Magnetic Susceptibility Model
Conceptual model and 3D Magnetic Susceptibility Model

Communities

  • USGS Data Release Products

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