GCR Blocks

List of GCR blocks in the UK

Precambrian and Structural Geology

EnglandScotlandWalesTotal
Alpine Structures of Southern England100010
107 Caledonian Structures of Shetland0202
13 Caledonian Structures of the Lake District120012
14 Caledonian Structures of the Southern Uplands0808
15 Caledonian Structures of Wales001919
25 Dalradian086086
43 Lewisian024024
56 Moine081081
88 Precambrian of England & Wales1801230
89 Precambrian Palaeontology6017
99 Torridonian011011
103 Variscan Structures of South Wales and the Mendips101415
102 Variscan Structures of South-West England310031

Igneous and Mineralogy

EnglandScotlandWalesTotal
12 Caledonian igneous749056
11 Carboniferous - Permian Igneous1931151
37 Igneous Rocks of South-west England540054
57 Mineralogy of Peak District, Leicestershire, Cheshire & Shropshire200020
53 Mineralogy of Scotland049049
54 Mineralogy of South West England340034
50 Mineralogy of the Lake District210021
51 Mineralogy of the Mendips9009
52 Mineralogy of the Pennines180018
55 Mineralogy of Wales004444
62 Old Red Sandstone Igneous (Silurian and Devonian Volcanic Rocks)016016
61 Ordovician Igneous Rocks14182658
94 Tertiary Igneous250052

Palaeozoic Stratigraphy

EnglandScotlandWalesTotal
Arenig - Llanvirn642535
Arenig - Tremadoc4004
16 Cambrian741526
17 Cambrian - Tremadoc0235
18 Caradoc-Ashgill1761437
26 Dinantian of Devon & Cornwall9009
27 Dinantian of Northern England & North Wales580967
29 Dinantian of Scotland033033
28 Dinantian of Southern England & South Wales1002030
41 Llandeilo23813
42 Llandovery10101636
44 Ludlow250833
45 Marine Devonian550055
46 Marine Permian270027
59 Namurian of England & Wales420749
60 Non-Marine Devonian7381459
70 Permian - Triassic3810452
86 Pridoli3036
100 Tremadoc3069
105 Wenlock2551949
106 Westphalian5091473

Mesozoic-Tertiary Stratigraphy

EnglandScotlandWalesTotal
Aalenian - Bajocian482050
Aptian-Albian310031
Bathonian417048
Berriasian, Valanginian, Hauterivian, Barremian110011
21 Callovian134017
20 Cenomanian, Turonian, Senonian, Maastrichtian352037
36 Hettangian, Sinemurian and Pliensbachian198229
40 Kimmeridgian112013
73 Neogene190019
63 Oxfordian283031
72 Palaeogene310031
90 Portlandian - Berriasian290029
91 Rhaetian110213
98 Toarcian151016
104 Wealden430043

Palaeontology

EnglandScotlandWalesTotal
Arthropoda79016
Aves8008
10 Carboniferous - Permian Fish/Amphibia19010
38 Jurassic - Cretaceous Reptilia283031
58 Mesozoic - Tertiary Fish/Amphibia240024
48 Mesozoic Mammalia81110
49 Mesozoic Palaeobotany205126
66 Palaeoentomology162018
67 Palaeozoic Palaeobotany12201244
71 Permian - Triassic Reptilia116118
68 Pleistocene Vertebrata312942
93 Silurian - Devonian Chordata1933355
95 Tertiary Mammalia8008
96 Tertiary Palaeobotany261027
97 Tertiary Reptilia5005

QuaternaryGeology and Geomorphology

EnglandScotlandWalesTotal
74 Quaternary of Cumbria170017
75 Quaternary of East Anglia740074
76 Quaternary of Midlands - Avon190019
77 Quaternary of North-East England280028
79 Quaternary of Scotland01400140
82 Quaternary of Somerset220022
80 Quaternary of South Central England220022
81 Quaternary of South-East England260026
83 Quaternary of South-West England380038
78 Quaternary of the Pennines and Adjacent Areas240024
84 Quaternary of the Thames370037
85 Quaternary of Wales007373

Geomorphology

EnglandScotlandWalesTotal
19 Caves3721049
22 Coastal Geomorphology of England460046
23 Coastal Geomorphology of Scotland043043
24 Coastal Geomorphology of Wales001313
30 Fluvial Geomorphology of England350136
33 Fluvial Geomorphology of Scotland029029
34 Fluvial Geomorphology of Wales001919
39 Karst371442
47 Mass movement1813334