Geoscience Reference
In-Depth Information
Chapter 3
Geology
Abstract Reviews of the Pliocene and Pleistocene Epochs in East Anglia;
reference to the discovery and importance of molluscan shells; account of the Crag
beds including the Red Crag, Norwich Crag, Chillesford and Cromer Forest Beds
and Weybourne Crag; the Crag Sea and its changing molluscan fauna in relation to
the impending advance of the Scandinavian ice sheet during the late Pliocene;
features of lowland glaciation including boulder-clay, moraines, erratics, pro-
glacial lakes; advance and retreat of ice sheets; post-glacial times including the
climatic optimum; research and field work with S.V. Wood, Jun.
Keywords Pliocene Pleistocene Glacial geology East Anglian crags
Molluscs Boulder-clay Moraines Erratics Ice sheets
3.1 General
East Anglia is a region unmatched in the British Isles for the study of lowland
glaciation and due to his Norfolk family roots and a predilection for geology,
Harmer, from an early age, devoted his leisure time to the study of glacial land-
forms in his home region. Later, when two of his sons took over the responsibility
for the day-to-day running of his clothing business, geological studies became
Harmer's main preoccupation. As a result of his meticulous research and out-
standing field work undertaken over many years, Harmer became known in the
scientific community as a leading authority of the Pliocene and Pleistocene
deposits that widely occur in East Anglia.
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