Sub Layers:
Name: Basement Structures (Sims 2005)
Display Field:
Type: Group Layer
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Description: Structures within crystalline basement rocks are interpreted primarily from geophysical data combined with generally less abundant geologic data that includes borehole data and interpretations of geologic data. Linear features and discontinuities in aeromagnetic data are generally interpreted to represent structures (faults, shear zones) that have offset and juxtaposed rocks with contrasting magnetic properties (Sims et al., 2008). These features largely formed during major tectonic episodes that took place during the Archean and Proterozoic Eons with episodic reactivation into the late Proterozoic (Sims et al., 2008).
Copyright Text: Sims et al. (2005), USGS, LANL
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Spatial Reference: 102100
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