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Wednesday, May 6, 2020 | History

8 edition of The later Proterozoic Torridonian rocks of Scotland found in the catalog.

The later Proterozoic Torridonian rocks of Scotland

their sedimentology, geochemistry, and origin

by A. D. Stewart

  • 16 Want to read
  • 10 Currently reading

Published by Geological Society in London .
Written in English

    Places:
  • Scotland.
    • Subjects:
    • Geology, Stratigraphic -- Precambrian.,
    • Sandstone -- Scotland.,
    • Diagenesis -- Scotland.

    • Edition Notes

      StatementA.D. Stewart.
      SeriesGeological Society memoir ;, no. 24, Memoir (Geological Society of London) ;, no. 24.
      Classifications
      LC ClassificationsQE653.5 .S74 2002
      The Physical Object
      Pagination130 p. :
      Number of Pages130
      ID Numbers
      Open LibraryOL3754093M
      ISBN 101862391033
      LC Control Number2003446792
      OCLC/WorldCa50635997

        The Later Proterozoic Torridonian Rocks of Scotland: Their Sedimentology, Geochemistry and Origin The best person to turn to for this answer has to be the father of Torridonian geology, Sandy Stewart. Life on land in the Proterozoic: Evidence from the Torridonian rocks of northwest Scotland. The Stoer Group and Diabaig Formation of the Torridonian succession in northwest Scotland are late Mesoproterozoic to early Neoproterozoic (ca. Ma). Low δ 18 O rocks in the Belomorian belt, NW Russia.

      Introduction. An important geological contact exists in the northwest of Scotland at the base of the Stoer Peninsular. Between the villages of Clachtoll and Clashnessie and around the village of Stoer are the main outcrop areas. This contact is a geological unconformity and has a complex profile, which appears to indicate deep, erosional canyons within the Lewisian that were infilled by the. Torridonian sandstones were also laid down in this period over the gneisses, and these contain the oldest signs of life in Scotland. In later Precambrian times, thick sediments of sandstones, limestones muds and lavas were deposited in what is now the Highlands of Scotland. Palaeozoic era Cambrian period. Further sedimentary deposits were formed through the Cambrian period (– Ma), some.

      A.D. StewartThe Later Proterozoic Torridonian Rocks of Scotland: Their Sedimentology, Stratigraphy, Geochemistry and Origin Geological Society of London Memoir, No. 24 () pp. Thick-bedded sandstones exposed on the Old Man of Stoer The Torridonian is a sedimentary sandstone which sits on top of the earliest rocks in Scotland. The map shows the sandstone as orange: it is on the western edge of the mainland, and on part of Skye. Geographically, this is part of .


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The later Proterozoic Torridonian rocks of Scotland by A. D. Stewart Download PDF EPUB FB2

They form the majestic mountains of NW Scotland and also extend westwards under the Minch basin. The sediments were deposited in a Proterozoic rift nearly contemporaneous with the Keweenawan Supergroup of North America.

This book contains the first complete field description of the rocks and the sedimentary environments in which they formed, together with a comprehensive examination of. The Torridonian sandstones form one of the principal elements of British stratigraphy. They form the majestic mountains of NW Scotland and also extend westwards under the Minch basin.

The sediments were deposited in a Proterozoic rift nearly contemporaneous with the Keweenawan Supergroup of. The Later Proterozoic Torridonian Rocks of Scotland: their Sedimentology, Geochemistry and Origin A.

Stewart Postgraduate Research Institute for Sedimentology, University of Reading, PO BoxReading RG6 6AB, UK Published by The Geological Society London. The Torridonian sediments formed in a Proterozoic rift nearly contemporaneous with the Keweenawan Supergroup of North America.

The book contains the first complete field description of rocks and sedimentary environments in which they formed, together with a comprehensive examination of their tectonic, palaeoclimatic significance, palaeomagnetism and diagenesis. It includes the results of over. The later Proterozoic Torridonian rocks of Scotland: their sedimentology, geochemistry, and origin.

[A D Stewart] -- "The Torridonian sandstones form one of the principal elements of British stratigraphy. The Later Proterozoic Torridonian Rocks of Scotland: their Sedimentology, Geochemistry and Origin.: Geological Society Memoir no.

vi + pp. London, Bath: Geological Society of London. Price £, US $; members’ price £, US $; AAPG members’ price £, US $ (paperback). ISBN 1 Author: R. Selley. The Later Proterozoic Torridonian Rocks of Scotland: their Sedimentology, Geochemistry and Origin.

Geological Society Memoir | Find, read and cite all the research you need on ResearchGate We. Request PDF | On Jun 1,J.R. Mendum and others published Lewisian, Torridonian and Moine Rocks of Scotland | Find, read and cite all the research you need on ResearchGate.

The name ‘Torridon Sandstone’ was introduced by Nicol (), but sandstone, though the dominant rock type, is only one of several lithologies to be found. For this reason the rocks are usually collectively termed ‘the Torridonian’, a term coined by Geikie (in Peach and Horne, ).

The name is derived from the Torridon area of the North-West Highlands, where mountains carved from the rocks of the. The later Proterozoic Torridonian rocks of Scotland: their sedimentology, geochemistry and origin.

[A D Stewart] -- The Torridonian sandstones form one of the principal elements of British stratigraphy. The Later Proterozoic Torridonian Rocks of Scotland: their Sedimentology, Geochemistry and Origin. Geological Society Memoir no.

vi + pp. London, Bath: Geological Society of London. Price £, US ; members' price £, US ; AAPG members' price. In geology, the term Torridonian is the informal name for the Torridonian Group, a series of Mesoproterozoic to Neoproterozoic arenaceous and argillaceous sedimentary rocks, which occur extensively in the Northwest Highlands of Scotland.

The strata of the Torridonian Group are particularly well exposed in the district of upper Loch Torridon, a circumstance which suggested the name. Rocks of NW Scotland - Rock Index This page lists all the individual rocks in the NW Scotland collection. They are arranged by rock type.

Use the links below to jump to the required section: Meteorite impact deposit, Torridonian (Stoer Group) Stoer Outcrop Hand specimen. Thin section. Igneous Rocks Sample A The Stoer Group and Diabaig Formation of the Torridonian succession in northwest Scotland are late Mesoproterozoic to early Neoproterozoic (ca.

Ma). The Later Proterozoic Torridonian Rocks of Scotland: their sedimentation, geochemistry and origin. Geological Society Memoir n. 24, pp. Geological Society Memoir n. 24, pp. Definitive memoir to the Torridonian – which includes information on the successions of Assynt.

A great thickness of red sandstone, brought in by rivers, buried the old hills. This took place in the Proterozoic, 1, to million years ago (mya). There are older and younger sandstone groups, with a long period between them. The lower sandstone is a breccia, with broken fragments of earlier rocks.

The best person to turn to for this answer has to be the father of Torridonian geology, Sandy Stewart. The figure, borrowed from his book, shows the location of what is now Scotland at billion (when the Stac Fada member was laid down, forcing its way between the sands of the ‘Stoer Group’ of Torridonian sandstones), and then at 1 billion years ago (which is when the bulk of the.

With some grey sandstones and grey, probably lacustrine, shales these beds make up the ‘Torridonian’ rocks, a late Precambrian succession of Riphaean age. This essentially unmetamorphosed sequence contains a notable angular unconformity, which separates the Stoer Group, (deposited at about Ma) from the overlying, more extensively.

The Later Proterozoic Torridonian Rocks of Scotland: their Sedimentology, Geochemistry and Origin A.

Stewart, Postgraduate Research Institute for Sedimentology, University of Reading, PO BoxReading RG6 6AB, UK. Lewisian, Torridonian and Moine rocks of Scotland: an introduction --Lewisian Gneiss complex of the Outer Hebrides --Lewisian of the Scottish mainland --Torridonian rocks of Great Britain --Moine thrust belt --Moine (North) --Moine (Central) --Moine (South) --Lewisian and Moine of Shetland.

Series Title: Geological conservation review series. The Later Proterozoic Torridonian Rocks of Scotland: Their Sedimentology, Geochemistry and Origin (Memoirs of the Geological Society, no.

24, ) Google Scholar   The Later Proterozoic Torridonian Rocks of Scotland: Their Sedimentology, Geochemistry and Origin by A. D. Stewart. Geological Society of London Memoir No. pp. ISBN £ (£ to members of the Geological Society).The Torridonian and Moine sequences represent at least two main phases of sedimentation that occurred from the late Mesoproterozoic to early Neoproterozoic times.

The Lewisian is exposed on the Outer Hebrides and also along the northwest coast of the Scottish mainland and is composed of a variety of gneisses, including the oldest rocks in the Britain, at c. Ma.