392 
ORDER OF THE SUPERPOSITION OF 
TABLE II. continued. 
Periods and 
Groups. 
Names of the principal Members and general Mine- 
ral nature of the Formation, 
Some of the Localities where the Formation occurs. 
2 
CO 
3 
K 
a, 
a 
o 
O 
a) 
a 
o 
a 
a 
CO 
t3 
« 
/./as (marine), — Blue, white, and 
yellow earthy limestone, usually in 
thin beds, interstratified with clay, 
often slaty and bituminous. 
Dark blue marl, with a few irregu- 
lar rubbly limestone beds — sandy 
marlstone. 
Lyme Regis, in Dorsetshire, and 
in many parts of Somersetshire, Glou- 
cestershire, Warwickshire, Notting- 
hamshire, and Yorkshire — in Sufher- 
landshire, the Hebrides, and North of 
Ireland. 
In France, and, to a considerable 
extent, in Germany. 
1. Kcuper, or variegated mark. — 
Red, grey, green, blue, and white 
marls, sandstones, conglomerates, and 
shells, containing gypsum and rock- 
salt. 
2. Musckelkalk (marine). — Grey, 
blue, and blackish limestone, with 
many fossils, particularly encrinites ; 
siliceous layers and nodules ; magne- 
sian limestone, marls of different co- 
lours, gypsum, and rock-salt. 
3. Variegated sandstone. — Red, 
white, blue, and green siliceo-argilla- 
ceous sandstone, often micaceous, and 
containing gypsum and rock-salt. 
4. Magnesian limestone (marine). — 
Compact shelly limestone, yellow 
magnesian limestone, marl slate, red 
marl, and gypsum. 
5 . Red conglomerate. — Sandstones, 
conglomerates, sands, and marls. 
Neighbourhood of Vosgcs moun- 
tains, and many parts of Wurtemberg 
and Westphalia, and other parts of 
Germany. 
Extensively developed in Germany 
and Fiance. Hitherto no beds in Eng- 
land have been identified with the 
formation. 
Nottinghamshire — Yorkshire. It 
is uncertain whether the variegated 
sandstone of England belongs to the 
Keuper formation of Germany, or to 
the variegated sandstone which lies 
under the Muschelkalk in Westphalia, 
Wurtemberg, the Vosges, &c. 
Nottinghamshire, Derbyshire,York- 
shire, Durham, Northumberland. 
Departments of Saone and Loire, 
Hartz mountains, Thuringia, West- 
phalia. 
Neighbourhood of Exeter — York- 
shire — Durham — Westphalia — Wur- 
temberg — Vosges mountains. 
