ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] First, he points out a sharp contrast in the clay mineralogy of the fourth and fifth layers at Choyo, the ages of the ashes of which should not differ. In the profile of volcanic ash soils in Kyushu, an old ash is not necessarily always at a more advanced stage of weathering than a young one, and ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/212648a0
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