http://earthwise-staging.bgs.ac.uk/index.php?action=history&feed=atom&title=Pathhead_FormationPathhead Formation - Revision history2026-04-15T06:05:19ZRevision history for this page on the wikiMediaWiki 1.42.3http://earthwise-staging.bgs.ac.uk/index.php?title=Pathhead_Formation&diff=52573&oldid=prevDbk: 1 revision imported2021-07-26T14:53:51Z<p>1 revision imported</p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<tr class="diff-title" lang="en">
<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:53, 26 July 2021</td>
</tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div>
</td></tr></table>Dbkhttp://earthwise-staging.bgs.ac.uk/index.php?title=Pathhead_Formation&diff=52572&oldid=prevGeosource>Volunteer 01 at 09:58, 15 December 20152015-12-15T09:58:07Z<p></p>
<p><b>New page</b></p><div>==Pathhead Formation [http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=PDB (PDB)], Carboniferous, Midland Valley of Scotland==<br />
<br />
The Pathhead Formation is part of the [[Strathclyde Group]] in the Fife area.<br />
<br />
=== Name ===<br />
From Pathhead, east Fife. The unit was originally described by Forsyth and Chisholm (1977)<ref name="forsyth77">Forsyth, I H, and Chisholm, J I. 1977. The geology of east Fife. ''Memoir of the Geological Survey of Great Britain'', Sheets 41 part 49 (Scotland)</ref> and given formation status by Browne (1986)<ref name="browne86">Browne, M A E. 1986. The classification of the Lower Carboniferous in Fife and Lothian. ''Scottish Journal of Geology'', Vol. 22, 422-425</ref>.<br />
<br />
=== Lithology ===<br />
The Pathhead Formation consists predominantly of mudstone and siltstone with beds of limestone and dolostone. Pale coloured, fine- to medium-grained sandstone is subordinate to the argillaceous rocks. Thin beds of coal and ironstone also occur.<br />
<br />
=== Genetic interpretation ===<br />
The overall pattern of sedimentation within the formation is of upward-coarsening deltaic cycles, with thinner upward-fining fluvial units erosively capping them, and relatively common marine incursions.<br />
<br />
=== Stratotype ===<br />
The type section is on the coast at Pathhead (NO 5419 0226 to NO 5381 0212) between St Monans and Pittenweem.<br />
<br />
=== Lower and upper boundaries ===<br />
The conformable base of the formation lies in a transitional sequence, the boundary being drawn at the base of the West Braes Marine Band (WBMB) above the [[Sandy Craig Formation]] (Figure 6, Column 4C), stratigraphically a little higher (Browne, 1986, fig. 2)<ref name="browne86"/> than that originally described by Forsyth and Chisholm (1977)<ref name="forsyth77"/>. <br />
<br />
The top of the formation is at the base of the Hurlet Limestone, present at the base of the Lower Limestone Formation ([[Clackmannan Group]]). <br />
<br />
=== Thickness ===<br />
The maximum thickness of the formation is about 220 m (Browne, 1986, fig. 2)<ref name="browne86"/>. <br />
<br />
=== Distribution and regional correlation ===<br />
Fife.<br />
<br />
=== Age and biostratigraphical characterisation ===<br />
Visean (Brigantian). Marine bands are more common than in the underlying formations and their faunas are usually diverse and abundant. ''Curvirimula'' dominates the nonmarine faunas.<br />
<br />
== References ==<br />
<references/><br />
[[Category:Carboniferous lithostratigraphical nomenclature]]</div>Geosource>Volunteer 01