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ABSTRACT IN the course of petrological studies on the coastal outcrops of Constant Gneiss1 to the south and west of West-port, New Zealand, some remarkable contact features of boulder
against boulder/bedrock were observed. The adjacent boulders or boulder/bedrock have developed closely fitting mutual interfaces, and from the examples given here it can be seen that they
are being eroded most rapidly by the processes acting along their interfaces. The phenomenon is therefore of considerable importance to coastal studies. Similar fitting boulders have now
been observed in other environments. No reference to the phenomenon has been found in standard works on coastal processes and so I hope that this report will bring it to the notice of
geologists and geographers working elsewhere in marine or lake shoreline environments. Access through your institution Buy or subscribe This is a preview of subscription content, access via
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* Learn about institutional subscriptions * Read our FAQs * Contact customer support SIMILAR CONTENT BEING VIEWED BY OTHERS EXTREME HUMAN-INDUCED POCKET BEACH GROWTH ON A ROCKY COAST Article
Open access 21 February 2025 RESEARCH ON SAND BODY ARCHITECTURE AT THE INTERSECTION OF A BIDIRECTIONAL SEDIMENTARY SYSTEM IN THE JIYUAN AREA OF ORDOS BASIN Article Open access 21 January
2023 ROMAN AQUEDUCT MAINTENANCE IN THE WATER SUPPLY SYSTEM OF DIVONA, FRANCE Article Open access 04 August 2023 REFERENCES * Bowen, F. E., _Buller. Geol. Map of NZ 1: 250,000_, Sheet 15
(1964). * Speight, R., _Trans. Roy. Soc. NZ Geol._, 73, 13 (1943). Google Scholar * Speight, R., _Trans. Roy. Soc. NZ Geol._, 70, 60 (1940). CAS Google Scholar * Ramsay, J. G., _Folding
and Fracturing of Rocks_ (McGraw-Hill, New York, 1967). Google Scholar * Webley, D. M., Henderson, M. E. K., and Taylor, I. F., _J. Soil. Sci._, 14, 102 (1963). Article Google Scholar *
Henderson, M. E. K., and Duff, R. B., _J. Soil Sci._, 14, 236 (1963). Article CAS Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Department of Geology,
University of Canterbury, Christchurch, New Zealand DAVID SHELLEY Authors * DAVID SHELLEY View author publications You can also search for this author inPubMed Google Scholar RIGHTS AND
PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE SHELLEY, D. Fitting Boulders: the Result of an Important Shore Process. _Nature_ 220, 1020–1021 (1968).
https://doi.org/10.1038/2201020a0 Download citation * Received: 18 September 1968 * Issue Date: 07 December 1968 * DOI: https://doi.org/10.1038/2201020a0 SHARE THIS ARTICLE Anyone you share
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