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8/11/2019 Report Report Report
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DEP RTMENT OF THE INTERIOR
UNITED STATES
GEOLOGIC L
SURVEY
TECTONIC
M P
OF
THE
INDONESI N REGION
y Warren
Hamilton
PREP RED ON BEH LF OF THE MINISTRY OF MINES GOVERNMENT OF INDONESIA
AND THE AGENCY FOR INTERN TION L DEVELOPMENT U.S. DEPARTMENT OF STATE
IN COOPER TION WITH THE GEOLOGIC L SURVEY OF INDONESIA
MISCELLANEOUS INVESTIGATIONS SERIES
Published by
the
U.S. Geological Survey 1981
o
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GEOLOGIC MAP SYMBOLS
COMMONLY USED ON
MAPS OF
THE UNITED STATES GEOLOGICAL SURVEY
Special symbols are shown in explanation)
Contact- Dashed where approximately
located; short dashed where inferred;
dotted where concealed
Contact-Showing
dip; well exposed
at
triangle
Fault-Dashed where approximately
located; short dashed where inferred;
dotted where concealed
1.20 1
- - - ' ~ ; . . . . _ _ _ - - ' - - - Fau t, showing d ip -Ball and bar on
downthrown side
-,..--..,.......,..___,-.,...... - Normal fault-Hachured on down
thrown side
Fault-Showing relative horizontal
movement
• • • • • • Thrust fault-Sawteeth on upper plate
4
Anticline-Showing
direction of plunge;
dashed where approximately located;
dotted where concealed
-----4------
Asymmetric
anticline-Short
arrow
indicates steeper limb
u
Overturned
anticline-Showing
direction of dip of limbs
Syncline-Showing direction of plunge;
dashed where approximately located;
dotted where concealed
Asymmetric syncline-Short arrow
indicates steepe r limb
verturned syncline-Shcnriet
direction of dip of limbs
Monocline-Showing direction
of
plunge
of axis
Minor
anticline-Showing
plunge
of
axis
Minor syncline-Showing plunge
of
axis
Strike and dip
of beds-Ball
indicates
top of beds known from sedimentary
structures
.. 1 _ Inclined
e
Horizontal
t
V e r t i c ~ Overturned
Strike and dip of foliation
~ n c l i n e d -+-Vertical
+Horizontal
Strike and dip of cleavage
._ 1_,
Inclined
,____.Vertical +
Horizontal
Bearing
and
plunge
of
lineation
' ~ I n c l i n e d •
e r t i ca l
Horizontal
Strike and dip of joints
Inclined -+-Vertical
+
Horizontal
Note: Planar symbols strike and dip
of beds, foliation
or
schistosity, and cleav
age) may be combined with linear
symbols to record data observed at
same locality by superimposed symbols
at point
of
observation. Coexisting
planar symbols are shown intersecting
at
point
of
observation.
Shafts
Vertical Inclined
Adit, tunnel, or slope
>-Accessible > -
Inaccessible
X Prospect
Quarry
~ A c t i v e
Gravel pit
Active
Oil wells
0
Drilling
~ G l . S
• Oil
~ b a n d o n e d
X Abandoned
Shut-in
-¢- ry
hole,
:tJ Show of cas abandoned
e Show of oil
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