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A Geological Map Of England, Wales And Part Of Scotland c1836 MAPCO : Map And Plan Collection Online Home Page
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Somerset, Devon, & Dorset
Mull, Argyll, Perth, Dumbarton, & Stirling Forfar, Perth, Stirling, & Fife Note, & Geological & Mineralogical Section From The St. George's Channel To The German Ocean Geological & Mineralogical Section From The St. George's Channel To The German Ocean
Argyll, Arran, Dumbarton, Renfrew, & Ayr Linlithgow, Lanark, Edinburgh, Haddington, Berwick, Peebles, Selkirk, Roxburgh, & Dumfries Northumberland, Explanation Of The Signs, & Explanation Of The Colouring Explanation Of The Colouring
Ireland, Wigton, Ayr, & Kirkcudbright Kirkcudbright, Dumfries, Solway Frith, Cumberland, Westmorland, Northumberland, & Durham Northumberland, Durham, Explanation Of The Colouring, & Note Note, & Explanation Of The Colouring
Ireland, St. George's Channel, & Isle Of Man Lancaster, & York York, & Note Note, Explanation Of The Colouring, & Map Title
Ireland, St. George's Channel, Anglesey, Caernarvon Bay, & Caernarvon Caernarvon, Denbigh, Flint, Liverpool Bay, Lancaster, Chester, Merioneth, & Stafford Derby, Stafford, Nottingham, & Lincoln Lincoln, Norfolk, & Map Title
St. George's Channel, Cardigan, & Pembroke Merioneth, Cardigan, Montgomery, Salop, Radnor, Hereford, & Worcester Leicester, Rutland, Warwick, Worcester, Northampton, Huntingdon, Cambridge, & Bedford Cambridge, Norfolk, Suffolk, & Essex
Pembroke, Caermarthen, Glamorgan, Bristol Channel, & Note On Metalliferous Tracts Of England And Wales Caermarthen, Brecknock, Glamorgan, Monmouth, Gloucester, Bristol Channel, & Somerset Gloucester, Oxford, Buckingham, Bedford, Hertford, Wilts, Berks, Middlesex, London, & Surrey Essex, & Kent
Cornwall, Devon, & Note On Metalliferous Tracts Of England And Wales Somerset, Devon, & Dorset Wilts, Dorset, Hants, Isle Of Wight, Surrey, & Sussex Sussex, Kent, & Strait Of Dover
Cornwall, Devon, & Geological & Mineralogical Section From The Lands End To The German Ocean, Displaying The Mineral Districts Of Cornwall, The Mineral District Of The Tamar, & Dartmoor Devon, English Channel, & Geological & Mineralogical Section From The Lands End To The German Ocean, Displaying Dartmoor, The Mineral Districts Of North & East Devon, Quantock Hills, Bridgewater, The Mineral Districts Of Somersetshire, Mendip Hills, Bristol, Bath, & Cotswold Hills English Channel, & Geological & Mineralogical Section From The Lands End To The German Ocean, Displaying Cotswold Hills, Cricklade, Oxford, Aylesbury, Tring, & St. Albans English Channel, & Geological & Mineralogical Section From The Lands End To The German Ocean, Displaying St. Albans, Hertford, Colchester, & Harwich
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Explanation Of The Colouring
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Names of Formations
or Groups of Rocks and their average thickness in feet
A
Crag Formation
Crag Formation
about 50 feet.
I
Lower Oolite Formation
Lower Oolite Formation
about 400 feet.
P
Wenlock & Dudley Rocks
Wenlock & Dudley Rocks
about 1,800 feet.
a
Upper Marine (Bagshot Sand)
Upper Marine
Probably 100 to 200 feet.
J
Lias Formation
Lias Formation
about 500 feet.
P
Horderley & May Hill Rocks
Horderley & May Hill Rocks
about 2,500 feet.
B
Freshwater Formation
Freshwater Formation
about 150 feet.
K
Red Sandstone Formation
Red Sandstone Formation
about 900 feet.
P
Builth & Llandeilo Rocks
Builth & Llandeilo Rocks
about 1,200 feet.
C
Lower Tertiary Formation
Lower Tertiary Formation
Probably 400 to 500 feet.
L
Magnesian Limestone Formation

 Magnesian Limestone Formation
about 300 feet.
Q
Clay Slate
Clay Slate
Probably 8,000 or 9,000 ft.
D
Chalk Formation
Chalk Formation
from 600 to 1000 feet.
M
Coal Formation
Coal Formation
about 3000 feet.
qr
Mica Slate
Mica Slate
Unknown.
E
Greensand Formation
Greensand Formation
about 300 feet.
m
Millstone Grit & Limestone Shale

 Millstone Grit & Limestone Shale
600-700 feet.
R
Granite
Granite
Unknown.
F
Wealden Formation
Wealden Formation
about 900 feet.
N
Carboniferous or Mountain Limestone

 Carboniferous or Mountain Limestone
about 2,400 feet.
S
Diallage Rock, Serpentine
Diallage Rock, Serpentine.
Unknown.
G
Upper Oolite Formation
Upper Oolite Formation
about 1000 feet.
O
Old Red Sandstone
Old Red Sandstone
Varies 100 to 10,000 feet.
T
Greenstone
Greenstone
Unknown.
H
Middle or Coralline Oolite Formation

 Middle or Coralline Oolite Formation
about 600 feet.
P
Ludlow Rocks
Ludlow Rocks
near 2,000 feet.
U
Basalt
Basalt
Unknown.
NOTE: Those portions of the various rocks which are known to be metalliferous, are shewn by a darker tint than the general colouring of the map. The strong colours indicate therefore, the position of the various Mining Districts of the Country.

 

 


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