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Publication - Research and analysis

Hill of Banchory geothermal energy project: feasibility report

Published
23 March 2016
Directorate
Energy and Climate Change Directorate
Topic
Environment and climate change
ISBN
9781786520753

Report of a study which explored the potential for a deep geothermal heat project at the Hill of Banchory, Aberdeenshire.

View supporting documents Supporting documents

Appendix 4: Heat Production Data for the Hill of Fare Granite

Location

Grid Square

North

South

K (wt%)

U (ppm)

Th (ppm)

Heat Production (uW/m^3)

Corrected Heat Production (uW/m^3)

Notes

Raemoir Quarries

NJ

70174

00374

5.48

8.15

28.37

4.643919

3.813437135

On face of quarry at initial step down to ledges leading down to the water

5.07

10.76

25.4

5.080239

4.50908787

5.32

8.66

28.21

4.751136

4.018818045

Raemoir Quarries

NJ

70161

00354

5.37

7.92

36.52

5.145417

4.311801955

Same as above but on a different face

5.59

8.46

32.1

4.997349

4.022910644

Craigton Quarries

NJ

71029

00438

6.15

13.53

48.31

7.516044

5.49954439

This is overestimated due to granite boulders at base of vertical exposure

6.23

13.12

44.41

7.142445

5.159069422

Craigton Quarries

NJ

70914

00627

5.55

8.41

30.09

4.839372

3.923815135

Smaller northern most quarry of the Craigton quarries. Probably the most accessible quarry face at Craigton

5.46

10

32.67

5.428404

4.473959341

5.37

9.03

32.92

5.183406

4.343636313

Hill of Fare

NJ

70225

01369

4.17

3.67

24.03

3.042144

-

Isolated exposure in the middle of heather moorland. Granite looks very eroded as blocks are very rounded.

4.39

4.11

22.29

3.056022

-

Hill of Fare

NJ

70225

01369

4.27

5.11

24.31

3.448386

-

On different face of exposure to previous measurement

4.25

4.36

24.76

3.281661

-

Hill of Fare

NJ

69623

01330

4.27

5.45

22.66

3.421602

-

Photo 0013 likely underestimate

4.51

5.08

24.37

3.467421

-

Hill of Fare

NJ

69210

02209

5.35

6.54

21.32

3.715065

-

Small quarry. Plane seems like a fault striking N-S

4.53

6.28

19.11

3.414339

-

Crathes Pluton

NO

72896

97348

3.57

1.92

19.22

2.189457

-

Highly fracture/faulted area with possible uranium mobilisation

3.3

3.73

15.15

2.352267

-

Crathes Pluton

NO

72896

97348

2.58

3.96

15.19

2.347272

-

Same location as above but different plane

3.82

2.84

16.17

2.23992

-

Crathes Pluton

NO

72781

97992

3.08

3.08

12.95

2.006802

-

Underestimate

3.07

4.04

10.11

2.057913

-

Craigrath on HoF

NJ

68812

01891

4.1

5.43

23.09

3.430485

-

Just North of Craigrath summit

4.4

4.41

20.55

3.013389

-

4.08

4.38

23.38

3.173958

-

Craigrath on HoF

NJ

68779

01720

4.44

5.43

22.16

3.397329

-

Similar to above. All outcrops on The Skair and Craigrath are very eroded with rounded edges to all blocks.

4.43

5.57

23.08

3.497634

-

The Skairs

NJ

68918

01443

4.28

4.11

22.46

3.057561

-

Underestimate due to topography

3.52

3.87

24.28

3.050649

-

The Skairs

NJ

68937

01424

4.6

5.4

25.43

3.634146

-

5

5.72

23.43

3.615354

-

The Skairs

NJ

68960

01416

4.23

3.84

18.97

2.737125

-

4.11

5.23

17.4

2.979612

-

4.03

4.61

18.94

2.917782

-

The Skairs

NJ

68844

01389

4.79

6.71

25.91

4.028886

-

Underestimate due to topography

4.75

4.86

28.44

3.718197

-

4.48

6.19

28.28

4.029777

-

The Skairs

NJ

68898

01335

4.37

14.74

27.72

6.219315

-

4.27

13.3

26.55

5.750595

-

The Skairs

NJ

69070

01301

4.53

5.45

28.38

3.847716

-

4.32

5.26

28.11

3.759156

-

Raemoir Quarries

NJ

70093

00506

4.29

4.87

22.49

3.259656

-

On "flat" surface exposure next to quarry

4.24

5.19

20.95

3.230631

-

Raemoir Quarries

NJ

70093

00506

4.86

14.47

31.98

6.493959

6.012925

On quarry exposed surface next to above

5.54

13.74

29.76

6.211188

5.045188809

Raemoir Quarries

NJ

70093

00506

5.42

14.58

29

6.366492

5.285832841

On quarry exposed surface next to above

5.28

14.09

32.58

6.476247

5.519528693

Raemoir Quarries

NJ

70170

00350

7.14

11.24

45.09

6.783804

4.275506723

Main Raemoir quarry.

7.35

10.27

41.77

6.316542

3.867270612

Raemoir Quarries

NJ

70170

00350

4.25

2.69

27.86

3.061908

-

On flat surface at top of Raemoir quarry

3.74

4.69

24.44

3.297429

-

Craigton Quarries

NJ

71083

00598

4.97

13.82

28.72

6.105267

5.527907746

On West side of Main Craigton quarry. Possible fault surface.

5.05

12.82

32.23

6.097329

5.433263465

Corfieldy Quarry

NJ

67193

001150

4.74

3.2

22.16

2.841642

-

4.46

5.17

21.97

3.317787

-

4.63

4.77

21.38

3.187674

-

Corfieldy Quarry

NJ

67314

01216

7.04

8.39

25.48

4.651317

2.973142969

Possible quarry face, or joint hackles causing what looks like faults, overestimated as surrounded by rock

6.39

7.02

25.13

4.206519

2.962337324

6.66

6.79

30.33

4.536837

3.065430405

Corfieldy Quarry

NJ

67350

01277

4.41

5.16

22.37

3.338523

-

Small quarry uphill from the main flooded quarry

4.43

3.96

21.04

2.932767

-

4.36

3.46

21.15

2.802924

-

Corfieldy Quarry

NJ

67310

01147

5.93

10.34

23.7

4.932171

3.742794182

Quarry Face in the main flooded quarry

6.44

8.06

26.12

4.553118

3.181526553

6.16

9.24

26.33

4.850442

3.54334237

Corfieldy Quarry

NJ

67317

01171

4.01

4.41

16.1

2.664144

-

Weathered naturally exposed face

4.22

3.23

18.24

2.525175

-

Corfieldy Quarry

NJ

67101

00952

5.28

8.83

24.6

4.538457

-

Friable pebble quarry, granite pale as it seems feldspar is preferentially eroded

5.28

8.68

22.35

4.341222

-

Blairhead Farm

NJ

66070

01896

5.69

4.19

19.68

3.016602

-

Friable pebble quarry, microgranite

5.68

2.91

22.25

2.860839

-

5.6

4.08

20.57

3.041766

-

Blairhead Farm

NJ

1672

66292

5.43

2.01

17.06

2.237166

-

Quarry, lots of vegetation cover

5.33

1.41

14.35

1.880334

-

Crathes Castle

NO

73230

96711

4.05

0.54

12.06

1.370763

-

3.48

2.1

10.87

1.641924

-

Crathes Castle

NO

73149

96739

3.56

2.94

13.71

2.068848

-

3.77

3.11

16.66

2.340306

-

Crathes Castle

NO

73066

96721

3.68

3.86

15.05

2.415204

-

3.63

3.12

19.79

2.549421

-

3.78

4.4

16.68

2.680506

-

Hill of Fare

NJ

68624

02710

3.53

6.59

12.71

2.951748

-

Underestimated due to topography

3.52

4.42

15.52

2.579742

-

3.84

3.24

14.75

2.246886

-

4.01

4.96

15.09

2.737287

-

Hill of Fare

NJ

69107

03113

3.66

5.52

16.97

2.982852

-

Underestimated, small outcrop in road.

3.81

5.9

18.6

3.210975

-

Hill of Fare

NJ

70262

03299

4.32

5.57

26.94

3.758211

-

Reading from a boulder

4.23

4.72

25.53

3.428109

-

Hill of Fare

NJ

70976

03695

4.4

7.02

27.97

4.217832

-

3.99

8.05

24.95

4.23684

-

4.4

7.07

29.29

4.323591

-

Hill of Fare

NJ

72257

02588

3.78

9.03

25.55

4.515777

-

On top of Meikle Tap. Poor exposure with bedrock just poking through path

3.69

8.47

25.76

4.37535

-

Hill of Fare

NJ

72270

02575

4.39

8.73

26.82

4.584006

-

Meikle Tap orthogonal joint set of N-S and W-E

4.1

11.19

24.59

5.044329

-

4.22

7.36

30.24

4.449222

-

4.35

8.64

23.89

4.350969

-

Hill of Fare

NJ

72214

02621

5.6

9.71

29.44

5.138937

-

N-S and w-E trending joints

5.07

9.54

26.54

4.840749

-

5.22

11.01

30.25

5.500359

-

5.42

11.54

26.93

5.425002

-

Hill of Fare

NJ

71543

02979

3.51

5.36

22.29

3.300237

-

Underestimated due to topography

4.27

6.5

26.65

3.976695

-

4.31

6.14

22.75

3.612411

-

Hill of Fare

NJ

67894

01716

3.78

7.33

22.56

3.860649

-

Underestimated due to topography

3.83

5.85

26.17

3.731184

-

3.89

6.64

22.7

3.700161

-

Hill of Fare

NJ

69864

02769

4.52

5.32

18.28

3.103704

-

Microgranite, medium sized boulder underestimated <2pi

4.63

4.44

17.44

2.824659

-

Hill of Fare

NJ

69862

02772

4.54

6.39

16.64

3.270699

-

Microgranite, partial exposure poking through the 4x4 track

4.54

5.72

17.34

3.144366

-

4.29

6.62

18.02

3.404187

-

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