No.

DESCRIPTION OF STONE

Specific

Gravity

Specific

Gravity of Particles

ARSORITION OF WATER PER CEST IN

1 Sec.

1 Min.

20 Mins.

1 Day

1 Week.

Oolitic Limestones.

1

Purbeck......

2.45

2.64

.21

.65

1.75

2.41

2.85

2

Purbeck- Portland ...

2.45

2.68

.76

1.91

3.83

4.02

4.21

3

Chilmark (Broum Bed) .....

1.86

2.42

8.82

10.78

10.78

11.37

12.54

„ (Hard Pinney Bed) .....

2.06

2.52

2.53

5.90

7.38

7.80

8.86

4

Ham Hill.....

2.11

2.50

1.30

3.47

6.30

6.52

7.17

5

Doulting ..

2.17

2.56

2.47

5.30

5.83

6.30

6.89

6

Bath (Coombe Down)

1.77

2.49

2.63

7.00

12.57

13.15

16.37

" " .....

2.10

2.43

.73

2.44

5.62

5.86

6.35

7

Farleigh (Only Bed) ...

2.00

2.61

1.76

5.58

10.29

10.58

11.76

8

„ (Fine-grained Bed).....

1.84

2.65

4.33

13.66

15.33

15.33

16.66

9

Coreham (Bottom Bed) ..

1.95

2.68

3.16

8.97

12.92

13.19

13.98

10

„ (Corngrii) ...

2.09

2.67

1.47

4.66

9.09

9.58

10.29

11

Painswick........

2.09

2.63

2.24

6.50

8.96

8.41

9.86

12

Weldon .. .....

2.07

2.43

6.81

7.03

7.03

7.03

7.03

13

Ancastcr (Weather Bed) ..

2.44

2.63

.40

1.00

2.61

2.81

3.01

14

„ (Freestone Bed)..

2.24

2.64

1.54

4.20

6.19

6.19

6.63

Magnesias Limestone.

15

Mansfield, Yellow ...

2.36

2.58

.61

1.02

2.66

3.07

3.48

Kentish Rao.

16

Ightham ..

2.56

2.65

.18

.37

.56

.94

1.30

Sandstones.

17

White Mansfield ..

2.31

2.55

.68

1.14

2.99

3.66

4.11

18

,, „ (another quarry)

2.22

2.50

2.19

3.40

4.13

4.62

5.10

19

Red Mansfield.....

2.25

2.49

.90

1.81

4.07

4.07

4.29

20

Grinshill, Shropshire (Triassic) ..

2.04

2.38

2.43

5.20

5.90

6.25

6.94

21

Corsehill (Permian)

2.18

2.48

1.25

1.50

4.38

4.80

5.42

22

Scotgate Ash, Pateley Bridge (Carboniferous) .....

2.21

2.48

.72

2.16

3.84

4.32

5.04

23

Fishponds, Bristol (Carboniferous)

2.61

2.70

-

-

.19

.76

1.15