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Geology

 Subject
Subject Source: Library of Congress Subject Headings

Found in 2 Collections and/or Records:

Letter to Sir Charles Lyell from Carlo Gemmellaro, 21 May 1858

 Item
Identifier: Coll-203/4/22
Scope and Contents

Letter to Sir Charles Lyell from Carlo Gemmellaro replying to earlier letters from Lyell to the Gemmellaro family containing questions relating to the geology of Mount Etna. Gemmellaro diagrees with Lyell that the pressure of subsequent layers of lava depress those beneath, with sketch, and mentions the geographical locations of certain features with respect to the map of Wolfgang Sartorius Von Waltershausen which Gemmellaro feels to be accurate, 21 May 1858.

Dates: 21 May 1858

Letter to Sir Charles Lyell from Carlo Gemmellaro, 8 April 1858

 Item
Identifier: Coll-203/4/18
Scope and Contents Letter to Sir Charles Lyell from Carlo Gemmellaro regarding his volcanic research on Mount Etna. Gemmellaro mentions his respect for the topographical works of Baron Waltershausen but states that the only fault he saw in Waltershausen during his stay in Sicily was the Baron's disregard for the learned Sicilian people. Discusses the geology of Aci Reale, in particular the strata of lava on which the village rests; Baron Waltershausen thought there were only 2 layers, Gemmellaro believes he...
Dates: 8 April 1858