Skip to main content

Science – Society – Technology

Table 8 Rock/soil types [LITH PET] categories in GK500 dataset

From: A machine learning approach for mapping the very shallow theoretical geothermal potential

Description

\(N_{\text {GK500}}\)

\(N_{\text {soil samples}}\)

Area (\(\text {km}^{2}\))

Amphibolites with diorite passages or a hornblende gneiss

226

5

287.48

Slates with intercalations of dolomites, cornieules, gypsum, limestone, and sandstone

6

0

27.0

Phyllite slates with intercalations of sandstone and pudding stones

82

0

309.64

Ferruginous argillites

49

7

15.12

Breccia or limestone pudding stones

7

8

22.96

Breccia and pudding stones

4

0

30.04

Sandy limestones with siliceous limestones with marly shale levels

224

8

761.64

Silicious limestones

163

4

840.8

Limestones, sometimes marbled

112

4

103.68

Conglomerates and breccia rich in sericite

38

0

105.68

Rivers, lakes

250

0

1377.6

Diorites and gabbros

23

1

64.52

Dolostones and Cornieules

175

0

205.44

Dolostones with gypsum levels

47

4

42.44

Landslide and scree deposits

783

89

903.68

Glaciers

377

0

866.28

Gneiss and micaschists rich in biotite and muscovite

350

33

1525.88

Gneiss rich in biotite or muscovite, sometimes chloritic, sometimes with calc-silicates rocks or quartzitic horizons (hornfels)

7

0

124.96

Gneiss rich in feldspar

203

13

992.32

Gneiss rich in feldspar, schistous with sericite, epidote, and chlorite formation

88

3

443.12

Gneiss with two micas or biotite rich in feldspar and varied structures

98

0

679.4

Gneiss with two micas or biotite rich in feldspar, platelets

5

2

268.28

Gneiss with two micas or biotite, rich in feldspar, mainly homogeneous

28

0

252.56

Gneiss with two micas or biotite, with white, often green (phengite)

22

0

137.8

Gneiss with sericitic and chloritic schists

291

2

1278.0

Granite with passages of quartzitic diorite or quartzitic syenite

111

3

823.84

Granite with sericite, epidote, and chlorite

98

6

526.52

Gravel and sand

754

740

1500.08

Gravel and sand, sometimes clayey or silty

738

636

1597.96

Hard and compact sandstone with marly shale and limestone phyllites

189

43

1096.04

Sandstone and marls with low to moderately consolidated pudding stone levels

207

70

945.68

Quartz sandstone with sandy slates

15

0

7.2

Glauconite siliceous sandstone and echinoderm debris

52

0

126.2

Sandstone mainly calcareous and porous, with marl levels

362

396

1622.92

Sandstone with marl levels

84

20

482.8

Dolomitic marble

23

0

19.04

Marly and shale clay with limestone bench, dolomite, and sandstone

162

145

226.32

Marls with breach levels with hard and sandy shells

1

0

34.96

Well-consolidated sandstone slabs

51

0

166.76

Marbles with sandstone levels with shell-rich breccia

12

23

35.84

Marls with sandstone levels, conglomerates, or poorly consolidated pebbles

376

698

1146.72

Quartz Phyllites

1

0

0.48

Phyllites with limestone micaschists

206

0

765.84

Phyllites with limestone micaschists with limestone levels and marbled dolomites

17

0

36.68

Phyllites with limestone micaschists with greenstone levels

1

0

1.04

Quartz porphyry

59

0

73.36

Porphyrites and porphyry tuffs

15

0

19.6

Breccia puddings with arkoses and sandstone

80

0

174.04

Pudding stones with breccia with arkoses and sandstone

66

22

1406.8

Peridotites and olivine rocks

18

0

8.48

Quartzites

70

0

112.12

Radiolarites

11

0

3.72

Dolomitic rock, sometimes with limestone levels

480

19

817.04

Limestone rocks in general, often with marly intercalations

1175

560

4636.2

Limestone rocks with dolomitic levels

48

64

184.8

Limestone rocks with important levels of marl, shale, and marly limestone

628

159

1370.96

Limestone rocks, often marly

89

0

480.68

Volcanic and pyroclastic rocks

5

0

9.64

Sand, gravel, pebbles, and blocks

454

45

457.28

Marly shale with calcareous phyllites and interbedded sandstone

382

79

1226.52

Marly shale with limestone phyllites with tuffitic sandstone levels

42

0

90.48

Green shale with passages of eruptive rocks or eclogites

173

5

252.76

Serpentinites

78

13

84.68

Clayey silts, with clay with sand levels

264

499

686.24

Sand silts with gravel and blocks

1962

1614

6331.44

Silts with silty sands, often clayey, mainly calcareous

68

170

154.08

Syenite

12

0

13.16

Amphibolite and gneiss mixing zone

23

0

30.72

  1. \(N_{\text {GK500}}\) is the number of polygons for each category and Area is the total area spanned by all polygons of the category. \(N_{\text {soil samples}}\) is the number of NABODAT soil texture points available in each category