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The mineralogy of some soils from Central Italy

Published online by Cambridge University Press:  14 March 2018

C. Lippi-Boncambi ,
R. C. Mackenzie  and
W. A. Mitchell
C. Lippi-Boncambi
Affiliation:
Universita di Perugia, Italy
R. C. Mackenzie
Affiliation:
Macaulay Institute, Aberdeen
W. A. Mitchell
Affiliation:
Macaulay Institute, Aberdeen
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Abstract

A set of seven soils representative of types of considerable pedological importance in the Umbrian region of Italy have been examined by petrological and clay mineralogical methods in order to supplement previous data upon field and chemical characteristics (Lippi-Boncambi, 1950). Some basic data upon colour, locality of the sample examined, parent material, rainfall (P), temperature (T), rain factor (P/T—see Lang, 1915) and pH are summarised in Table 1. It will be noted that (a) the soils form an interesting colour group ranging from red through intermediate colours to yellow and then through brown to black, (b) all except one are derived from calcareous rocks, and (c) all except one are neutral to alkaline in reaction.

Type
Research Article
Information
Clay Minerals Bulletin , Volume 2 , Issue 13 , December 1955 , pp. 281 - 288
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1955

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