Geologic Unit: Cat Hill

Usage:

Cat Hill Formation of Chesapeake Group (DE-subsurface)

Geologic age:

late Tertiary (late Miocene)

Type section, locality, area and/or origin of name:

Type locality (subsurface; composite): 3 drillholes in vicinity of Cat Hill, near town of Bethany Beach, eastern Sussex Co., southern DE (Andres, 2004):
(1) depth-interval 320 to 420 ft, DGS drillhole Qj41-02, Lat. 38 deg. 31 min. 25 sec. N., Long. 75 deg. 04 min. 03 sec. W.;
(2) depth-interval 315 to 420 ft, DGS drillhole Qj41-04, Lat. 38 deg. 31 min. 22 sec. N., Long. 75 deg. 04 min. 05 sec. W.;
(3) depth-interval 320 to 400+ ft, DGS drillhole Qj42-05, Lat. 38 deg. 31 min. 37 sec. N., Long. 75 deg. 03 min. 26 sec. W.
Reference sections (subsurface) (Andres, 2004):
(1) depth-interval 65 to 95 ft, DGS drillhole Oc14-27, Lat. 38 deg. 44 min. 13 sec. N.;
(2) depth-interval 173 to 310 ft, DGS drillhole Oh25-02, Lat. 38 deg. 43 min. 50 sec. N., Long. 75 deg. 10 min. 14 sec. W.;
(3) depth-interval 180 to 255 ft, DGS drillhole Pg53-14, Lat. 38 deg. 35 min. 24 sec. N., Long. 75 deg. 17 min. 42 sec. W.;
(4) depth-interval 90 to 180 ft, DGS drillhole Qd52-02, Lat. 38 deg. 30 min. 40 sec. N., Long. 75 deg. 33 min. 16 sec. W.

AAPG geologic province:

Atlantic Coast basin