Speleology links several different sciences.
Most of them belong to the so-called Earth Sciences.
Here you will find some background information.
Sybil P. Parker (1984):
McGraw-Hill Dictionary of Earth Science
Mcgraw-Hill, ISBN-10: 0070524270, ISBN-13: 978-0070524279.
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Ailsa Allaby, Michael Allaby (1999):
A Dictionary of Earth Sciences
Oxford Paperback Reference, Oxford University Press; 2. Edition, ISBN-10: 0192800795, ISBN-13: 978-0192800794.
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Robert L. Bates, Julia A. Jackson (1984):
Dictionary of Geological Terms
Anchor; 3rd ed. Edition, ISBN-10: 0385181019, ISBN-13: 978-0385181013.
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Philip Kearey (1996):
The New Penguin Dictionary of Geology
Penguin Reference Books, Puffin, ISBN-10: 0140512772, ISBN-13: 978-0140512779.
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Sybil P. Parker (1997):
McGraw-Hill Dictionary of Geology and Mineralogy
McGraw-Hill Companies, ISBN-10: 0070524327, ISBN-13: 978-0070524323.
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Jean-Pierre Michel (1992):
Dictionary of earth science, English-French, French-English=Dictionnaire des sciences de la terre, anglais-francais, francais-anglais
Masson Pub. USA, Enlarged 2nd Edition, ISBN-10: 2225823952, ISBN-13: 978-2225823954.
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