The Victoria history of the county of Cornwall . fUes HISTORY OF CORNWALL. B£F£R£NC£ NOTE I above 2000 leet17&0 xn 2000 iVet1500 to 1750 U. 1500 tVel111(10 in 1250 leel1800 »o 1000 feet1600 to 800 feetI4OO to 600 feet1200 to 400 foetI ScB Lev«l to 200 feet I Sea Level to 50 feet50 to 100 feetmo 10 200 200 feet 50* fossj 50 sh GEOLOGY of life that tenanted the seas and lands of those remote epochs, the recordsof our county are silent. Whether those deposits ever extended westwardon to the Cornish platform can scarcely be conjectured. That theirabsence in Cornwall does not n
The Victoria history of the county of Cornwall . fUes HISTORY OF CORNWALL. B£F£R£NC£ NOTE I above 2000 leet17&0 xn 2000 iVet1500 to 1750 U. 1500 tVel111(10 in 1250 leel1800 »o 1000 feet1600 to 800 feetI4OO to 600 feet1200 to 400 foetI ScB Lev«l to 200 feet I Sea Level to 50 feet50 to 100 feetmo 10 200 200 feet 50* fossj 50 sh GEOLOGY of life that tenanted the seas and lands of those remote epochs, the recordsof our county are silent. Whether those deposits ever extended westwardon to the Cornish platform can scarcely be conjectured. That theirabsence in Cornwall does not negative their former presence in the west,we have had recently a vivid object lesson in the Isle of Arran, wherethe preservation of Mesozoic fragments in the vent of an old Tertiaryvolcano constitutes the sole record of the ancient extension of Rhaetic,Liassic, and Upper Cretaceous strata to the basin of the Clyde. But the rocks which enter into the geology of Cornwall differ fromthe later Mesozoic formations not only in antiquity but in travelle
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