DOI Page / Citation link:
https://doi.org/10.11588/diglit.748#0221
178 ARCHAEOLOGICAL INSTITUTE.
(Fig. 2) illustrates what may be seen in the locality mentioned. The
fluidal structure in the third trachyte is represented by the short
lines. This rock appears to have been once continuous across the
depression in which the second trachyte is exposed. The line of
contact could not be found even after several hours' digging in the
disintegrated rocks.
The relation of the two trachytes to each other is, however, more
certainly indicated by their relation to the middle tertiary deposits
of the Southern Troad. The second trachyte, as already noted, is
older than the latter portion of the middle tertiary formation, while
on the other hand, a short distance east of Assos, the third trachyte
distinctly overlies the same deposits, and must, consequently, be of
more recent origin.
This trachyte, when developed so as to influence the topography,
gives rise to surface features very different from those of the other
trachytes. Looking east from Assos, several low, rather irregular
ridges will be seen extending in an easterly and westerly direction.
In form these ridges closely resemble the trap ridges of the Con-
necticut Valley, being very steep, with cliffs facing the sea, while to
the northward the slopes are gentle. These ridges are formed of the
third trachyte, which, like the trap rock of the Connecticut Valley,
has been extruded through great fissures between the strata.
ALLUVIUM.
The Touzla River, north of Assos, flows in an alluvial plain, about
five kilometres in length by two kilometres in greatest breadth.
The soil is fertile, and generally cultivated. By the river bank
the brownish sandy loam extends to a depth of one metre and a
half, and rests upon a bed of gravel on a level with the present
bed of the river. The loam contains numerous very small Gastero-
pod shells, and is exposed upon the surface of the greater portion
of the plain. The latter does not rise more than about two metres
above the present bed of the Touzla.
SUMMARY.
In summarizing what is known of the geology of Assos and
its vicinity, it may be stated that, as compared with some portions
(Fig. 2) illustrates what may be seen in the locality mentioned. The
fluidal structure in the third trachyte is represented by the short
lines. This rock appears to have been once continuous across the
depression in which the second trachyte is exposed. The line of
contact could not be found even after several hours' digging in the
disintegrated rocks.
The relation of the two trachytes to each other is, however, more
certainly indicated by their relation to the middle tertiary deposits
of the Southern Troad. The second trachyte, as already noted, is
older than the latter portion of the middle tertiary formation, while
on the other hand, a short distance east of Assos, the third trachyte
distinctly overlies the same deposits, and must, consequently, be of
more recent origin.
This trachyte, when developed so as to influence the topography,
gives rise to surface features very different from those of the other
trachytes. Looking east from Assos, several low, rather irregular
ridges will be seen extending in an easterly and westerly direction.
In form these ridges closely resemble the trap ridges of the Con-
necticut Valley, being very steep, with cliffs facing the sea, while to
the northward the slopes are gentle. These ridges are formed of the
third trachyte, which, like the trap rock of the Connecticut Valley,
has been extruded through great fissures between the strata.
ALLUVIUM.
The Touzla River, north of Assos, flows in an alluvial plain, about
five kilometres in length by two kilometres in greatest breadth.
The soil is fertile, and generally cultivated. By the river bank
the brownish sandy loam extends to a depth of one metre and a
half, and rests upon a bed of gravel on a level with the present
bed of the river. The loam contains numerous very small Gastero-
pod shells, and is exposed upon the surface of the greater portion
of the plain. The latter does not rise more than about two metres
above the present bed of the Touzla.
SUMMARY.
In summarizing what is known of the geology of Assos and
its vicinity, it may be stated that, as compared with some portions