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Geology, Stratigraphic Cambrian

 Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE

Found in 6 Collections and/or Records:

Correpondence relating to Sir Roderick Impey Murchison's dispute with Adam Sedgwick about Silurian classification, c1852

 Series
Identifier: Coll-74/10/3
Scope and Contents The correpondence relating to Sir Roderick Impey Murchison's dispute with Adam Sedgwick about Silurian classification consists of:
  1. correspondence
  2. notes and related papers
Dates: c1852

Lecture on the 'Volcanic History of Britain', 1886

 Item
Identifier: Coll-74/7/2
Scope and Contents Notes for 4 lectures on the 'Volcanic History of Britain', given to the Royal Institution in 1886. Sir Archibald Geikie looked at the emergence of types of geological formations against a geological timeframe and how they have been affected by various processes, especially the action of volcanoes and materials produced by them, within the natural world. He used examples from numerous locations from different parts of the British Isles.
Dates: 1886

Letter to Sir Andrew Crombie Ramsay from Hugh Edwin Strickland, 02 October 1850

 Item
Identifier: Coll-74/11/1/2
Scope and Contents Letter to Sir Andrew Crombie Ramsay from Hugh Edwin Strickland asking for corrections to the thicknesses of the Cambrian series for a vertical section of the series of British strata which he was preparing for a lecture at Oxford.
Dates: 02 October 1850

Letter to Sir Archibald Geikie from Capt Clarence Edward Dutton, 05 May 1883

 Item
Identifier: Coll-74/11/5/14
Scope and Contents Letter to Sir Archibald Geikie from Capt Clarence Edward Dutton discussing the fossiliferous Upper Cambrian metamorphosed sandstone shales found at Lake Superior and the Grand Canyon. At Lake Superior these beds overlie 1400 feet of unfossiliferous sandstone and shale, interspersed with layers of copper bearing metamorphosed volcanic ash. These are the same as the Huronian metamorphic beds at Lake Huron which are possibly of the Lower Cambrian age due to an unconformity (as identified by Alfred...
Dates: 05 May 1883

Letter to Sir Archibald Geikie from T Belt, 22 January 1873

 Item
Identifier: Coll-74/11/8/38
Scope and Contents Letter to Sir Archibald Geikie from T Belt enclosing a reprint of his paper on the Lingula Flags of Wales in which he believes he was the first to suggest that the Menevian Group beds identified by John William Salter and H Hicks form the natural boundary of the Cambrian rocks.
Dates: 22 January 1873

Notes for lectures on 'Geographical Evolution', late 19th century

 Item
Identifier: Coll-74/9/1
Scope and Contents Notes for 6 lectures on 'Geographical Evolution', encompasing a wide variety of related subjects. Sir Archibald Geike looked at various geological periods and how both the areas occupied by land and water changed over time. He looked at the creation of many geological formations, at the materials they were composed of and the processes involved, including the infleunce of different elements within the natural world. He used as examples numerous locations, mostly within the British Isles but...
Dates: late 19th century