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Fig. 15 | Earth, Planets and Space

Fig. 15

From: Crustal structure of the eastern Piedmont and Atlantic coastal plain in North Carolina and Virginia, eastern North American margin

Fig. 15

Inferred geologic cross section from Blue Ridge to the Atlantic Ocean. The red box indicates the location of our model (Fig. 8), and the dash white lines show the range of the seismic rays used for the velocity inversion. Combining our study with the studies of Pratt et al. (1988, 2014), Holbrook et al. 1994 (Fig. 14b), and the surface geology (King and Beikman 1974; Glover and Klitgord 1995), we infer the geometry of the faults and crustal boundaries. The profiles of Pratt et al. (1988, 2014) and Holbrook et al. (1994) are located about 70 km north of our Line 1 profile, and we have migrated the model for Line 1 along the geological boundaries in Fig. 1 to create a composite section. Offshore crustal petrologic interpretations are from Holbrook et al. (1994)

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