416
•
Guatemala
City
� """
.,.,...- -·
50km
Fig. 11.82. Part of the Guatemala coast, an example of
basin-fill model S. (Miall l98lb)
Lake
Fig. 11.83. Jordan Valley and northern Dead Sea Basin, an
example of basin-f ill model 6. (Miall l981b)
Tectonic Control of Fluvial Sedimentation
50km
Fig. 11.84. Part of the East African Rift System, Uganda,
an example ofbasin�fill model 6. (Miall 1981b)
transverse rivers, commonly flanked by peat
swamps. Riv er termi nation patterns are controlled
by coastal processes.
Model 3 is well developed on the north coas t of
Sumatra (basin type 2.4; Fig. 11.80) and New Guinea.
The petroli fero us Cherokee Group of Oklahoma and
Kansas (basi n type 4.2, but with sediment source
from the continental side) displays this pattern, as
does the Permian Beaufort Group, South Africa (basin type 4.1; Hobday 1978).
The Atlantic coas tal plain of Georgia and North
and South Carolina (Fig. 11.81) and the Gulf Coast of
Texas are Atlantic-type divergent continental-margin basins (basi n ty pe 1.2.2), and are good examples
of model 4. Thes e are mesotidal and mic roti dal
coasts, respectively, and are ch�racterized by major
barrier island-lagoon systems into which the coastal
plain rivers drain. The Carboniferous coal-bearing
fluvial, deltaic, and barrier-island deposits of Kentucky and Wes t Virginia are a good ancient example
(peripheral foreland basin, basin type 4.1; Horne et
al. 1978).
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