Word: lava
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Saturday was given to excursions in charge of Dr. Gregory. The morning was spent in examining West Rock, where the party found splendid exposures of the intrusive contact of a huge lava sheet with the Triasaic sand-stones. In the afternoon the party, including Professors Williams, Beecher and Pearson of Yale, took the train to Meriden, passing the escarpment of the hanging hills on the way, and going on to the large quarries in the lava beds north of the city. From there the party went along the great fault line where the displacement measures about 2,000 feet...
Geological Conference. Papers: On Some Neocene Lava-flows of the Sierra Nevada, California. Dr. F. L. Ransome. Geological Laboratory, Room...
Geological Conference. Papers: On Some Neocene Lava-flows of the Sierra Nevada, California. Dr. F. L. Ransome. Geological Laboratory, Room...
April 10.- Excursion to Meriden, Conn., conducted by Professor W. M. Davis. Special features: The relations of the Triassic Sandstones and Lava Beds. (Monadnock Mountain may be substituted for this excursion...
...noon the contact of the lava bed on the sandstone near Greenfield will be seen; here the lower surface of the lava is seen in cross section to be broken up into coarse fragments, now united by a sandy cement which is continuous with the sandstone below, and passes into a volcanic cement above, showing "where the slaggy surface of the flow was under rolled on a muddy bottom and the mud was forced up into the fissures," meeting in the cracks the still liquid lava from above...