. The Quarterly journal of the Geological Society of London. Fteryjotiu/iToUematLcm^ T/?//^7 /////v/ Slialt Jla^ffJeyTark. GraptoUtes. t^ic . Murmn Shales, JJicmfnessTiUY. J-De C. Scverhf 1852.] HARKNESS SILURIAN ROCKS OF SCOTLAND. 393 4. On the Silurian Rocks of the South of Scotland, andon the Gold Districts q/ Wanlockhead and the Lead R. Harkness, Esq. [Communicated by J. C. Moore, Esq., See. ] [Abstract.] Mr. Harkness considers that the mineral axis of the system ofSilurian rocks in the south of Scotland is the syenitic mass of Criffel*.The rocks lying next to the syeni


. The Quarterly journal of the Geological Society of London. Fteryjotiu/iToUematLcm^ T/?//^7 /////v/ Slialt Jla^ffJeyTark. GraptoUtes. t^ic . Murmn Shales, JJicmfnessTiUY. J-De C. Scverhf 1852.] HARKNESS SILURIAN ROCKS OF SCOTLAND. 393 4. On the Silurian Rocks of the South of Scotland, andon the Gold Districts q/ Wanlockhead and the Lead R. Harkness, Esq. [Communicated by J. C. Moore, Esq., See. ] [Abstract.] Mr. Harkness considers that the mineral axis of the system ofSilurian rocks in the south of Scotland is the syenitic mass of Criffel*.The rocks lying next to the syenite are in a highly metamorphicstate, but wherever bedding can be traced, it is found that the strataon the south side dip to the south, and on the north side to the north ;which last northerly dip (or to speak more correctly dip)continues with little exception to the northern margin of the Silurianrocks. The lowest regularly stratified beds which can be observed on thenorth of Criffel are near Woodside Hill, in the parish of New Abbey,Kirkcudbrightshire, where the dip is , but at no great distanceto the we


Size: 1746px × 1430px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845