A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
History
A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
American journal of science; Science -- United States -- History
E. Hitchcock in 1824 (=6=, 12) noted that in places granite appeared
bedded, but in other places existed in veins which cut obliquely across
the strata. Silliman, although careful not to deny the aqueous origin of
some basalts, yet held that the field evidence of New England indicates
for that region the igneous or Huttonian origin of trap and granite
(=7=, 238, 1824).
In 1832 the following article by Hitchcock appeared in the Journal
(=22=, 1, 70):
Report on the Geology of Massachusetts; examined under the direction
of the Government of that State, during the years 1830 and 1831; by
Edward Hitchcock, Prof. of Chemistry and Natural History in Amherst
College.
A footnote adds that this is “published in this Journal by consent of
the Government of Massachusetts, and intended to appear also in a
separate form, and to be distributed among the members of the
Legislature of the same State, about the time of its appearance in
this work. It is, we believe, the first example in this country, of
the geological survey of an entire State.”
This article includes a geological map of the state and covers the
subject of economic geology. The report brought forth the following
remarks from a French reviewer in the _Revue Encyclopédique_, Aug. 1832,
quoted in the Journal (=23=, 389, 1833):
“A single glance at this report, is sufficient to convince any one of
the utility of such a work, to the state which has undertaken it; and
to regret that there is so very small a part of the French territory,
whose geological constitution is as well known to the public, as is
now the state of Massachusetts. France has the greater cause to regret
her being distanced in this race by America, from her having a corps
of mining engineers, who if they had the means, would, in a very short
time furnish a work of the same kind, still more complete, of each of
the departments.”
The complete report published in 1833 is a work of 700 pages. Pages 465
to 517 are devoted to the subject of granite. Numerous detailed sketches
are given showing contact relations. Nine pages are given to theoretical
considerations and many lines of proof are given that granite is an
igneous rock, molten from the internal heat of the earth, and intruded
into the sedimentary strata. His statement is the clearest published in
the world, so far as the writer is aware, up to that date, and marks
Edward Hitchcock as one of the leading geologists of his generation in
Europe as well as America. Unfortunately his views were largely lost to
sight during the following generation.
Public-domain text, read in full here on John Shaqi.
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