OPEN-FILE RE



re St.Croix



Area of Study



CARIBBEAN SEA



0 50 100 150



a ae i —_J

NAUTICAL MILES



>



LINEAMENT.-QuERIED WHERE CONTINUITY / 8B se

UNCERTAIN. STRAIGHT OR SLIGHTLY CURVED 8



TOPOGRAPHIC DEPRESSIONS PARTICULARLY &

CONSPICUOUS ON STERERISCOPIC PAIRS OF ™" A



AIR PHOTOGRAPHS. GRIGIN UNCERTAIN, BUT Ny

A GREAT MANY PROBABLY REPRESENT



PREFERENTIALI-Y ERODED FAULT OR FRACTURE



7



FAULT--DOTTED WHERE CONCEALED, QUERIED

WHERE UNCERTAIN. U, UPTHROWN SIDE; D,

LA | DIRECTIONS OF MOVEMENT. FROM



DONNELLY, T. W., 1966, GEOLOGY OF ST.

THOMAS AND ST. JOHN, U.S. VIRGIN

ISLANDS, IN CARIBBEAN GEOLOGICAL

INVESTIGATIONS, H. H. HESS, ED: | S E

SEOLOGICAL SO@CTETY OF AMERICA ee E A

MEMOIR 98, P. 85-176, 7 PL., 32 FIGS., a oe

4 TABLES.



-_ J MLE

_} KILOMETER



—



Bl

5

il



9



— SSS — ———



|

|

|



64°56"



Air photos used: NOS 12MAR 7SBP 1757-1773

and NOS IMAP 78BP 1685-1699, black awd white;

scale approximately 1: 30,900



PRELIMINARY PHOTOLINEAMENT MAP OF ST.THOMAS,U.S. VIRGIN ISLANDS



John M’Gonigle and Jean Weaver



1979