Geology Reference
In-Depth Information
shelf
Moine
Dalradian
Iapetus Ocean
1
Laurentia
Gondwana
upper mantle
mid-Cambrian
back-arc
basin
MVA
2
Laurentia
Gondwana
top Cambrian
MVA
? ?
3
Laurentia
Gondwana
early Ordovician
Grampian Highlands
?ophiolite nappe
Midland Valley
Welsh basin
LDA
Gondwana
4
Laurentia
mid-late Ordovician
Grampian Highlands
Southern Uplands
Midland Valley
Welsh basin
Gond-
wana
5
LDA
Laurentia
Avalonia
Solway suture
early-mid-Silurian
GGF
HBF
Northern
Highlands
Grampian Highlands
SUF
Midland Valley
SBT
MTZ
Southern
Uplands
Lake
District
Welsh
basin
Midlands
Platform
6
Laurentia
Avalonia
LDA
upper mantle
Solway suture
late Silurian-
early Devonian
been attributed to
sinistral transpres-
sion
during this phase. The Great
Glen Fault has clearly experienced
a large lateral displacement, since
the rocks on each side do not match
up, but there has been no general
agreement over the amount of dis-
placement - estimates vary from
~160 km to over 500 km. However,
Search WWH ::
Custom Search