UNITED STATE S DEPARTMENT OF THE INTERIOR
 GEOLOGCAL SURVEY PROFESSIONAL PAPER 306 PLATE 2
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SEDIMENTARY ROCKS ROCAS SEDIMENTARIAS


EXPLANATION EXPLICACION


INTERIOR-GEOLOGICAL SURVEY. WASHINGTON, D.C.
 a -1.


La Boca marine member of Panamd formation Miembro merino La Boca de la formaci6n Panamd


 Tpm

Pedro Miguel agglomerate member of Panama formation Miembro Aglomerado de Pedro Miguel de la formaci6n Panamd


 Tcs

 Cucaracha formation Form acion Cucaracha


 Tcb

 Culebra formation including Emperador limestone member Formacion Culebra, incluyendo el miembro Caliza de Emperador


 Tic

 Las Cascadas agglomerate Formaci6n Aglomerado de
 Las Cascadas


 Thas

 Bas Obispo formation Formaci6n Bas Obispo


INTRUSIVE AND VOLCANIC ROCKS ROCAS INTRUSIVAS Y VOLCANICAS


I
6)0
5


0
~8)
00


GO Cia 8)6) 08) 050


Li I-


Lu I-


Intrusive and extrusive andesite Andesita intrusiva y extrusiva


 Tb

 Intrusive and extrusive basalt Basalto intrusivo y extrusivo



 Geologic boundary
(Dashed where location is uncertain)
 Limite geoldgico
(Con linea interrumpida donde no estd localizado con precisi6n)

 U
 D
 Fault
(Dashed where location is uncertain; dotted where concealed. D, downthrown side; U, upthrown side)
 Falla
(Con line interrumpida donde no estd localizado con precisidn: con puntos donde estd escondido. 0, parte hundida; U, parte levantada)


.11:
I
w I-


0


It I-.


 _7

 Strike and dip of beds Direccidn y buzamiento de los estratos


 Horizontal beds Estratos horizontales

 9112
 Locality at which fossils were collected Localidadfosilifera

 0109
 Submerged locality at which fossils were collected
 Localidad fosilifera inundada



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 GEOLOGIC MAP OF GAILLARD CUT AREA, CANAL ZONE MAPA GEOLOGICO DE LA AREA GAILLARD CUT, ZONA DEL CANAL
 Scale 1:25,000
 0


1


0


2 Kilometros


0


0 2000 Metros


.3
00B


5000


2 Miles


10,000 Feet


l I


Adaptado d Th1077p50, 1947


I


t


1000