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https://doi.org/10.11588/diglit.748#0223
IV.
NOTES UPON THE GEOLOGY OF
THE TROAD.
By J. S. DILLER.
AMONG the numerous works written upon the Troad. there are
but few which consider its geology. Of these, the oldest is
that by P. Barker Webb, first published in the Bibliotheca Italiana,
but better known in its French translation as Topographie de la
Troade issued in 1844.
The most important work is that of Tchihatcheff, who travelled
through the Troad in 1847 and I849, and a few years later pub-
lished a series of volumes upon Asia Minor. Four of this series are
devoted exclusively to geology and palaeontology.
Among the more recent contributions is Virchow's Beitrdge zur
Landeskunde der Troas, an excellent paper upon the Anterior Troad,
especially upon the Plain of Troy.1
Unfortunately the present Report is written under such circum-
stances that the writer is unable to consult the geological literature
upon the Troad, or to compare the collections of rocks and fossils
made by the Expedition with those already identified.
The following notes are based upon observations made in ex-
cursions from Behram (Assos). All the region embraced within
a four hours' journey from that place has been quite thoroughly
explored, but elsewhere the boundaries of the various formations
have not been fully determined.
The general map of the Troad, as well as the geological map of
the same region, both of which are in course of preparation, are not
yet ready for publication. In these notes reference will be made to
Mr. Clarke's sketch map of ^Eolic Mysia and Lesbos, Plate 4*.
The rocks of the Troad are of many varieties, and their relations
so complicated that the distribution of them is very irregular, and
1 See references to these works in the preceding Report, pp. 8, 14.
NOTES UPON THE GEOLOGY OF
THE TROAD.
By J. S. DILLER.
AMONG the numerous works written upon the Troad. there are
but few which consider its geology. Of these, the oldest is
that by P. Barker Webb, first published in the Bibliotheca Italiana,
but better known in its French translation as Topographie de la
Troade issued in 1844.
The most important work is that of Tchihatcheff, who travelled
through the Troad in 1847 and I849, and a few years later pub-
lished a series of volumes upon Asia Minor. Four of this series are
devoted exclusively to geology and palaeontology.
Among the more recent contributions is Virchow's Beitrdge zur
Landeskunde der Troas, an excellent paper upon the Anterior Troad,
especially upon the Plain of Troy.1
Unfortunately the present Report is written under such circum-
stances that the writer is unable to consult the geological literature
upon the Troad, or to compare the collections of rocks and fossils
made by the Expedition with those already identified.
The following notes are based upon observations made in ex-
cursions from Behram (Assos). All the region embraced within
a four hours' journey from that place has been quite thoroughly
explored, but elsewhere the boundaries of the various formations
have not been fully determined.
The general map of the Troad, as well as the geological map of
the same region, both of which are in course of preparation, are not
yet ready for publication. In these notes reference will be made to
Mr. Clarke's sketch map of ^Eolic Mysia and Lesbos, Plate 4*.
The rocks of the Troad are of many varieties, and their relations
so complicated that the distribution of them is very irregular, and
1 See references to these works in the preceding Report, pp. 8, 14.