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Windermere Supergroup graphical timeline
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Chronology of the
Windermere supergroup
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−450 —
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−445 —
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−440 —
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−430 —
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e
o
z
o
i
c
O
S
i
l
u
r
i
a
n
D
e
v
o
n
i
a
n
L
a
t
e
L
l
W
L
u
Pridoli
E
a
r
l
y
Katian
Hirnantian
Rhuddanian
Aeronian
Telychian
Sheinwoodian
Homerian
Gorstian
Ludfordian
Lochkovian
Pragian
Emsian
Dent Group
Stockdale Group
Tranearth Group
Coniston Gr.
Kendal Gr.
Old Red Sandstone cover
Groups of the Windermere supergroup against the geological timescale.
Axis scale: millions of years ago.
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
↓