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Ice Sheets

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

Found in 4 Collections and/or Records:

Lecture on 'The Origin of the Scenery of the British Isles', 1884

 Item
Identifier: Coll-74/7/1
Scope and Contents Notes for 5 lectures on 'The Origin of the Scenery of the British Isles' given to the Royal Institution in 1884, along with printed abstracts. Sir Archibald Geikie focused on geological formations around the British Isles, with comparisons from European and North American locations, looking at the materials of which they are composed and the processes which went into their creation.
Dates: 1884

Letter to Sir Charles Lyell from James Croll, 6 January 1866

 Item
Identifier: Coll-203/1 folio(s) 593-594
Scope and Contents Letter to Sir Charles Lyell from James Croll regarding modifications he has made to his Submergence Theory which held that the level of the ocean would not be lowered by the accumulation of ice due to Lyell passing on some calculations as to the amount of water needed from the oceans to form an ice-sheet of sufficient mass to alter the earth's centre of gravity. He encloses a letter to the Reader to put the matter straight and asks for Lyell's approval. 6 January 1866.
Dates: 6 January 1866

Letter to Sir Charles Lyell from James Croll, 6 July 1866

 Item
Identifier: Coll-203/1 folio(s) 620-621
Scope and Contents Letter to Sir Charles Lyell from James Croll concerning his calculations of the thickness of the ice sheets and the extent of the submergence which he claims are based on geological grounds. He also discusses the possible extent of the submergence, the effect on the climate of the Ice sheet and his belief that the grinding down of rock can not be attributed to floating ice but to the extent of time that the rock was covered in ice. He also states that he feels confident that the submergence and...
Dates: 6 July 1866

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