. Conodonts of the Lower Border group and equivalent strata (lower carboniferous) in Northern Cumbria and the Scottish Borders, Conodonts; Paleontology; Paleontology; Conodonts; Paleontology. Series, Stage and Blozone z < rx < Bewcestle Rothbury Langholm-Newcastlelon â Annan North Tyne Fell Sst Klrkbean ,HAM "SLM BPSM LAM Fell Sst Gp Sst j Basal Cem'stone Fm Black Liddel Fm Whita Fm Arnton Burn Fm Fell Fm Birrenswark f Lavas. *r-rg F BNF SH7 BHF CLF DCF Correlation tentative or uncertain. Precise position ol correlated horizon uncertain. TEXT-FIG. 3. Stratigraphic framework of
. Conodonts of the Lower Border group and equivalent strata (lower carboniferous) in Northern Cumbria and the Scottish Borders, Conodonts; Paleontology; Paleontology; Conodonts; Paleontology. Series, Stage and Blozone z < rx < Bewcestle Rothbury Langholm-Newcastlelon â Annan North Tyne Fell Sst Klrkbean ,HAM "SLM BPSM LAM Fell Sst Gp Sst j Basal Cem'stone Fm Black Liddel Fm Whita Fm Arnton Burn Fm Fell Fm Birrenswark f Lavas. *r-rg F BNF SH7 BHF CLF DCF Correlation tentative or uncertain. Precise position ol correlated horizon uncertain. TEXT-FIG. 3. Stratigraphic framework of the Lower Border and Cementstone groups and equivalent strata in the Northumberland trough. Conodont biozonation and correlation from Purnell (1989); local correlation in the Langholm-Newcastleton area follows Leeder (1974b). Sections are not arranged geographically. MBG = Middle Border Group; ESLM = Ellery Sike Limestone Member; RLM = Rawney Limestone Member; CFLM = Common Flat Limestone Member; BLM = Bogside Limestone Member; MA 1 = Main Algal Member One; LAM = Lower Antiquatonia Member; BPSM = Barron's Pike Sandstone Member; SLM = Syringothyris Limestone Member; HAM = Hillend Algal Member; GLM = Glebe Limestone Member; BHLM = Birky Hill Limestone Member; HM = Harden Member; WPF = White Port Formation; SBF = Sheep Bught Formation; HM/SDF = Hanged Man and Spouty Dennans formations; DCF = Dropping Craig Formation; BHF = Barlacco Heugh Formation; OLF = Orroland Lodge Formation; SHF = Scar Heugh Forma- tion; BNF = Black Neuk Formation. Materials and Methods One hundred and ninety-five samples from the Lower Bor- der Group and equivalent strata were processed for con- odonts using standard recovery techniques (Austin, 1987). Most samples were taken from the Lower Border Group in its type area (Text-Fig. 4). Samples were selected to maxi- mize yield and stratigraphic coverage, but also to represent the broad range of carbonate facies encountered. Almost 5000 conodont elements wer
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