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Title: 五島のbeachrockについて(そのI)
Authors: 橘, 行一
Authors (alternative): Tachibana, K.
Issue Date: 20-May-1964
Citation: 長崎大学教養部紀要. 自然科学. 1964, 4, p.50-77
Abstract: Though beachrock has not so far been known in the Japanese Islands excepted with the southern islands of Kagoshima Prefecture, the writer unexpectedly discovered it from Narushima (lat. 32°51′N. and long 128°53′36″E.) in the Goto Islands of Nagasaki Prefecture. Coral reefs with which beachrock is frequently accompanied have not been seen in the Goto Islands. The beachrock is a statified calcareous conglomerate firmly cemented by calcareous shell sands, being found in the intertidal zone of a beach. The strike is various with the dips of a gentle angle as shown in figure 9 of the Japanese text. In this paper the writer described beachrock based upon the field investigations and discussed the process of of cementation of beachrock. This recent calcareous conglomerate was named the Ikezuka conglomerate bed. It seems to have been formed about three to four thousand years ago as the writer found fragments of the Jomon earthenware of the neolithic age.
URI: http://hdl.handle.net/10069/16433
ISSN: 02871319
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:Volume 4

Citable URI : http://hdl.handle.net/10069/16433

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