在英国诺森伯兰郡北部的海岸平台上有规则间隔的凹槽

IF 0.5 4区地球科学 Q4 GEOLOGY

Proceedings of the Yorkshire Geological Society Pub Date : 2020-05-29 DOI:10.1144/pygs2019-006

Society Alison M. Tymon, Barry G. Tymon

{"title":"在英国诺森伯兰郡北部的海岸平台上有规则间隔的凹槽","authors":"\tSociety\t\t\tAlison M. Tymon, Barry G. Tymon","doi":"10.1144/pygs2019-006","DOIUrl":null,"url":null,"abstract":"Unusual regularly-spaced grooves are found between low water mark (LWM) and high water mark (HWM) on several shore platforms in north Northumberland. References in the literature are sparse, so data were collected to establish the nature of the grooves and to elucidate the processes that might have formed them. Groove formation is confined to strata with widely spaced bedding planes on shore platforms dipping at no more than 5° towards the sea. The grooves are symmetrical, bifurcation is common and grooves on sandstones are deeper and more sinuous than those on limestones. Grooves at mid-tide levels are wider than grooves near LWM and HWM and the trend of the grooves is not related to joint trends. The process that has formed the characteristically smooth surfaces of the grooves is considered to be abrasion by sand and pebbles carried by waves in the surf zone of the shore platform. The width of the grooves is remarkably regular, and it is suggested that this may be due to the effects of the increase in incident wave energy given by edge waves.","PeriodicalId":49665,"journal":{"name":"Proceedings of the Yorkshire Geological Society","volume":null,"pages":null},"PeriodicalIF":0.5000,"publicationDate":"2020-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Regularly-spaced grooves on shore platforms in north Northumberland, UK\",\"authors\":\"\\tSociety\\t\\t\\tAlison M. Tymon, Barry G. Tymon\",\"doi\":\"10.1144/pygs2019-006\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Unusual regularly-spaced grooves are found between low water mark (LWM) and high water mark (HWM) on several shore platforms in north Northumberland. References in the literature are sparse, so data were collected to establish the nature of the grooves and to elucidate the processes that might have formed them. Groove formation is confined to strata with widely spaced bedding planes on shore platforms dipping at no more than 5° towards the sea. The grooves are symmetrical, bifurcation is common and grooves on sandstones are deeper and more sinuous than those on limestones. Grooves at mid-tide levels are wider than grooves near LWM and HWM and the trend of the grooves is not related to joint trends. The process that has formed the characteristically smooth surfaces of the grooves is considered to be abrasion by sand and pebbles carried by waves in the surf zone of the shore platform. The width of the grooves is remarkably regular, and it is suggested that this may be due to the effects of the increase in incident wave energy given by edge waves.\",\"PeriodicalId\":49665,\"journal\":{\"name\":\"Proceedings of the Yorkshire Geological Society\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.5000,\"publicationDate\":\"2020-05-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Yorkshire Geological Society\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://doi.org/10.1144/pygs2019-006\",\"RegionNum\":4,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"GEOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Yorkshire Geological Society","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1144/pygs2019-006","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"GEOLOGY","Score":null,"Total":0}

引用次数: 0

摘要

在诺森伯兰郡北部的几个海岸平台上，在低水位(LWM)和高水位(HWM)之间发现了不寻常的规则间距凹槽。文献中的参考文献很少，因此收集数据以确定凹槽的性质并阐明可能形成它们的过程。沟槽的形成局限于海岸平台上间距较大的层理平面，其向海倾斜不超过5°。砂岩上的沟槽比灰岩上的沟槽更深、更弯曲，沟槽对称，分叉常见。中潮位的沟槽比低潮位和低潮位附近的沟槽宽，沟槽的趋势与联合趋势无关。形成沟槽光滑表面的过程被认为是由海岸平台冲浪区的海浪携带的沙子和鹅卵石磨损造成的。凹槽的宽度是非常规则的，有人认为这可能是由于边缘波增加入射波能量的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Regularly-spaced grooves on shore platforms in north Northumberland, UK

Unusual regularly-spaced grooves are found between low water mark (LWM) and high water mark (HWM) on several shore platforms in north Northumberland. References in the literature are sparse, so data were collected to establish the nature of the grooves and to elucidate the processes that might have formed them. Groove formation is confined to strata with widely spaced bedding planes on shore platforms dipping at no more than 5° towards the sea. The grooves are symmetrical, bifurcation is common and grooves on sandstones are deeper and more sinuous than those on limestones. Grooves at mid-tide levels are wider than grooves near LWM and HWM and the trend of the grooves is not related to joint trends. The process that has formed the characteristically smooth surfaces of the grooves is considered to be abrasion by sand and pebbles carried by waves in the surf zone of the shore platform. The width of the grooves is remarkably regular, and it is suggested that this may be due to the effects of the increase in incident wave energy given by edge waves.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Proceedings of the Yorkshire Geological Society 地学-地质学

CiteScore

2.00

自引率

30.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Proceedings of the Yorkshire Geological Society (PYGS) has been published without a break since 1839. It is one of the leading journals of British geology. Each year two parts are issued containing original research papers on all aspects of geology. Traditionally the Proceedings has given particular attention to the geology of northern England and its neighbouring areas. The submission of papers on related topics but of a more general interest is encouraged. All papers are subjected to the full scrutiny of two independent referees.