{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,11,20]],"date-time":"2024-11-20T05:34:32Z","timestamp":1732080872639,"version":"3.28.0"},"reference-count":49,"publisher":"Geological Society of London","issue":"1","license":[{"start":{"date-parts":[[2004,4,1]],"date-time":"2004-04-01T00:00:00Z","timestamp":1080777600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-002"}],"content-domain":{"domain":["www.lyellcollection.org"],"crossmark-restriction":true},"short-container-title":["SJG"],"published-print":{"date-parts":[[2004,4]]},"abstract":"<jats:title>Synopsis<\/jats:title>\n          <jats:p>A provenance study of rocks from the Silurian inliers and Siluro-Devonian Lanark Group sandstones of the southern Midland Valley has shown that they are petrographically and compositionally similar, and were derived from the same source terrane. The clast content of these rocks indicates that before widespread Lower Devonian calc-alkaline volcanism, this source terrane included volcanic and hypabyssal igneous rocks that appear to have been associated with a wacke sandstone-dominated sedimentary sequence and a granitic igneous suite. The possibility that the source rocks for these sequences are within the Midland Valley Terrane, but now not exposed, is discussed. Minor differences in sandstone composition between the Carmichael, Eastfield and North Esk inliers are interpreted as reflecting either slight differences in the source or deposition within individual sub-basins. Comparable regional variations within the Swanshaw Sandstone Formation suggest that sub-basin architecture continued to influence sediment dispersal patterns during the deposition of the basal Lanark Group. The onset of Lower Devonian calc-alkaline volcanism coincided with a major change in sandstone composition within the Lanark Group and accompanied the replacement of the relatively small Silurian sub-basins by a single larger basin.<\/jats:p>","DOI":"10.1144\/sjg40010023","type":"journal-article","created":{"date-parts":[[2010,1,15]],"date-time":"2010-01-15T00:30:59Z","timestamp":1263515459000},"page":"23-42","update-policy":"http:\/\/dx.doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Composition and provenance of the Silurian to Devonian sandstone sequences of the southern Midland Valley"],"prefix":"10.1144","volume":"40","author":[{"given":"E. R.","family":"Phillips","sequence":"first","affiliation":[{"name":"British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA, UK (e-mail:)"}]},{"given":"H. F.","family":"Barron","sequence":"additional","affiliation":[{"name":"British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA, UK (e-mail:)"}]},{"given":"R. A.","family":"Smith","sequence":"additional","affiliation":[{"name":"British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA, UK (e-mail:)"}]},{"given":"S.","family":"Arkley","sequence":"additional","affiliation":[{"name":"British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA, UK (e-mail:)"}]}],"member":"1881","published-online":{"date-parts":[[2022,6,7]]},"reference":[{"key":"e_1_3_2_2_1","first-page":"459","volume-title":"New Perspectives on the Old Red Sandstone","author":"ARMSTRONG H.","year":"2000","unstructured":"ARMSTRONG, H. & OWEN, B. 2000. Age and provenance of limestone clasts in Lower Old Red Sandstone conglomerates: implications for the geological history of the Midland Valley Terrane. In Friend, P. F. & Williams, B. P. J. (eds.) New Perspectives on the Old Red Sandstone. Special Publications, 180, Geological Society, London, 459\u2013472."},{"key":"e_1_3_2_3_1","first-page":"249","volume-title":"Crustal evolution in northwestern Britain and adjacent regions","author":"BLUCK B. J.","year":"1978","unstructured":"BLUCK, B. J. 1978. Sedimentation in a late orogenic basin: the Old Red Sandstone of the Midland Valley of Scotland. In Bowes, D. R. & Leake, B. E. (eds.) Crustal evolution in northwestern Britain and adjacent regions. Special Issue of the Geological Journal, 10, 249\u2013278."},{"doi-asserted-by":"publisher","key":"e_1_3_2_4_1","DOI":"10.1017\/S0263593300009792"},{"doi-asserted-by":"publisher","key":"e_1_3_2_5_1","DOI":"10.1017\/S0263593300013900"},{"key":"e_1_3_2_6_1","first-page":"417","volume-title":"New Perspectives on the Old Red Sandstone","author":"BLUCK B. J.","year":"2000","unstructured":"BLUCK, B. J. 2000. Old Red Sandstone basins and alluvial systems of Midland Scotland. In Friend, P. 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