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<p></p> <p><b>New page</b></p><div>== Millstone Point Sandstone Member [http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=MPS (MPS)], Isle of Arran, Carboniferous, Midland Valley of Scotland ==<br /> <br /> The Millstone Point Sandstone Member is part of the [[Clyde Sandstone Formation]].<br /> <br /> === Name ===<br /> From Millstone Point, north-east Arran. See Paterson and Hall (1986).<br /> <br /> === Lithology ===<br /> Mainly white, cross-bedded sandstone with thin beds of red-brown or grey mudstone (BGS, 1987a).<br /> <br /> === Stratotype ===<br /> The type section is the Laggan shoreline on the north-east coast of the Isle of Arran (NR 9995 4875 to 9887 5013).<br /> <br /> === Lower and upper boundaries ===<br /> The member conformably overlies the [[Laggantuin Cornstone Member]] (Figure 6, Column 1), which comprises sandstone and red-brown silty mudstone in fining-upward cycles with nodules and beds of concretionary limestone. The base is seen at (NR 9995 4875).<br /> <br /> The stratigraphical top of the Millstone Point Sandstone Member is not seen. It is either faulted or unconformably overlain by grey mudstones with plant remains of the [[Laggan Cottage Mudstone Formation]] of the [[Strathclyde Group]].<br /> <br /> === Thickness ===<br /> About 150–200.m. BGS (1987a) gave a generalised thickness of 200 m.<br /> <br /> === Distribution and regional correlation ===<br /> Laggan shoreline on the north-east coast of the Isle of Arran.<br /> <br /> === Age ===<br /> Tournaisian<br /> <br /> == References ==<br /> &lt;references/&gt;<br /> [[Category:Carboniferous lithostratigraphical nomenclature]]</div>

Geosource>BobMcIntosh