BEGIN:VCALENDAR VERSION:2.0 PRODID:-//wp-events-plugin.com//7.2.3.1//EN TZID:Europe/London X-WR-TIMEZONE:Europe/London BEGIN:VEVENT UID:80@cumberland-geol-soc.org.uk DTSTART;TZID=Europe/London:20230902T103000 DTEND;TZID=Europe/London:20230902T103000 DTSTAMP:20230803T054524Z URL:https://www.cumberland-geol-soc.org.uk/events/graptolites-at-dobs-linn / SUMMARY:Graptolites at Dobs Linn DESCRIPTION:Leader John Robson\n\nField Information \n\nCGS Risk Assessmen t Dobs Linn 2023\n\n\n \;\n\n\nNational Trust for Scotland Car Park Gr ey Mare’s Tail NT 186145\nSmall charge unless NTS/NT member\n\nA708 very limited roadside parking NT 196 154\n\n\nTravelling from the South - Head North on M6 >\; M74 to Moffat. Follow signs for Selkirk on A708 North-E ast for 10 mile. Grey Mare's Tail NTS car park on lhs.\nDepending on numbe rs\, it may be possible to car share and reduce the walk-in\, by parking o n the roadside - 100m from the Linn.\n\n\nTerrain:\n\n\nRough fell-side\, stoney ground\, crossing small streams\, potentially slippery in wet weath er. Walking stick may be advantage. Option to clamber short distance up a very steep grass slope for closer view of the Ord/Sil Boundary ‘Golden S pike’.\n\n1.5ml out-and back route (3ml total)  with 350ft ascent\n\n\ nAttendees are advised to dress appropriate for Scottish hills with change able weather possible. Advise waterproofs &\; warm clothing to be carri ed.\n\n\nBring packed lunch.\n\nThe site is in a narrow mountain gorge. No facilities are available. Nearest café/toilets are at Moffat\, or the Gl en Café\, at St. Mary’s Loch (may have limited opening) 5 mile toward S elkirk.\n\n\n\n\n\n\n\n\nAdvance reading\n\n\n There are two very similar on-line guides\n\nhttps://earthwise.bgs.ac.uk/index.php/Dob%27s_Linn_-_an _excursion\n\nDob's Linn - an excursion by S. Henry Williams and James D. Lawson. From: Geological excursions around Glasgow &\; Girvan 1992\n\nh ttps://earthwise.bgs.ac.uk/index.php/Geological_excursions_around_Glasgow_ %26_Girvan\n\nhttps://earthwise.bgs.ac.uk/index.php/Dob%27s_Linn\,_Moffat_ -_an_excursion\n\nDob's Linn - an excursion by E.N.K. Clarkson and C.M. T aylor. From Scottish Borders geology: an excursion guide 1992\n\nhttps:/ /earthwise.bgs.ac.uk/index.php/Scottish_Borders_geology:_an_excursion_guid e\n\n There is also a BGS publication:\n\nMoffatdale and Upper Ettrick va lley - Classical Areas Guide Webb\, Rushton\, White 1992\n\n Other excurs ions in Annandale to view classic graptolite localities are less accessibl e\, but for possible further interest for those wishing to explore other s ites\, these include Hartfell Score NT 097 117 and Glenkiln Burn NY 007 89 5\n\nhttps://earthwise.bgs.ac.uk/index.php/Hartfell_Score_-_an_excursion\n \nGraptolites: Ordovician and Silurian biostratigraphy - an excursion – MediaWiki Glenkiln burn excursion\n\nhttps://earthwise.bgs.ac.uk/index.php /Graptolites:_Ordovician_and_Silurian_biostratigraphy_-_an_excursion#1_Gle nkiln_Burn_(NY_007_895)\n\n Establishing the Ordivician / Silurian bounda ry:\n\nv.43 (1988) - Bulletin of the British Museum (Natural History) Geol ogy - Biodiversity Heritage Library (biodiversitylibrary.org)\n\nhttps://w ww.biodiversitylibrary.org/item/113706#page/18/mode/1up\n\n \;\n\nDob' s Linn - the Ordovician-Silurian Boundary Stratotype\, S. H. Williams\, 19 88\, pp17-30\n\nInternational Union of Geological Sciences\n\nJiayu Rong\, Michael Melchin\, S. Henry Williams\, Tatyana N. Koren\, Jacques Verniers . Episodes 2008\;31:315-8\n\nReport of the restudy of the defined global s tratotype of the base of the Silurian System\n\nby Jiayu Rong\, Michael Me lchin\, S. Henry Williams\, Tatyana N. Koren and Jacques Verniers   Epis odes\, Vol. 31\, No. 3 September 2008\n\nhttps://www.episodes.org/journal/ view.html?doi=10.18814/epiiugs/2008/v31i3/005\n\n END:VEVENT BEGIN:VTIMEZONE TZID:Europe/London X-LIC-LOCATION:Europe/London BEGIN:DAYLIGHT DTSTART:20230326T020000 TZOFFSETFROM:+0000 TZOFFSETTO:+0100 TZNAME:BST END:DAYLIGHT END:VTIMEZONE END:VCALENDAR