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Table 7 Overview of published rock property data with respect to hydrothermal alteration

From: The impact of hydrothermal alteration on the physiochemical characteristics of reservoir rocks: the case of the Los Humeros geothermal field (Mexico)

Lithology

Study area

O/R

A

ρB

ɸ

K

λ

α

cp

V P

V S

χ

Refs.

[g cm−3]

[%]

[m2]

[W m−1 K−1]

[10 −6 m2 s−1]

[J kg−1 K−1]

[m s−1]

[m s−1]

[10–3 SI]

Andesitic lava

MX

O

U

2.31/2.40 (19) ± 0.19

14.0/11.6 (19) ± 6.4

3.2E-13/2.7E-14 (14) ± 4.7E-13

   

3135/2690 (35) ± 971

1275/1250 (25) ± 115

 

1

Andesitic lava

MX

O

U

2.31/2.40 (9) ± 0.28

14.5/10.6 (9) ± 9.1

1.9E-13/6.1E-14 (9) ± 2.1E-13

      

5

Scoriaceous andesitic lava

MX

O

U

1.42/1.43 (4) ± 0.03

46.6/46.7 (4) ± 1.3

4.4E-13/4.4E-14 (4) ± 4.2E-13

      

5

Andesite

WI

O

U

2.61/2.64 (210) ± 0.3

5.3/3.9 (46) ± 12.0

2E-14/6E-18

(46)

1.62/1.68 (50) ± 0.62

0.84/0.88

(25) ± 0.24

760/750 (28) ± 60

4627/4589 (34) ± 1679

 

13.92/11.60

(41)

10

Andesite

WI

O

W—M

2.42/2.49 (33) ± 0.5

10.7/4.6 (19) ± 18.0

8E-15/4E-15

(17)

1.52/1.65 (25) ± 0.56

0.72/0.75

(14) ± 0.24

890/890 (16) ± 140

3947/4490 (16) ± 2000

 

13.34/11.97

(23)

10

Andesite

WI

O

S

2.05/2.00 (6) ± 0.1

26.0/25.8 (4) ± 1.4

1E-13/2E-14

(4)

1.71/1.66 (9) ± 0.35

0.97/0.92

(6) ± 0.37

920/970 (6) ± 186

1668/1837 (5) ± 1081

 

5.99/0.09

(7)

10

Andesitic lava

LAIA

O

M -S

 

10.9/8.5 (12) ± 8.7

9.1E-18/5.2E-19 (10) ± 1.7E-17

      

12

Effusive lavas, tuff, tuffites

R

O + R

S

2.57 (74) ± 0.23

5.6

(74) ± 5.3

    

4650 (74) ± 1330

  

2

Effusive lavas, tuff, tuffites

R

O + R

S

2.42 (17) ± 0.26

14.0

(17) ± 9.0

    

3800 (17) ± 828

  

2

Effusive lavas, tuff, tuffites

R

O + R

S

1.59 (40) ± 0.46

40.0 (40) ± 16.7

    

1000 (40) ± 1166

  

2

Effusive lavas, tuff, tuffites

R

O + R

S

1.9

(29) ± 0.33

33.0 (29) ± 11.0

    

2300 (29) ± 951

  

2

Effusive lava

R

O + R

U

2.69 (28) ± 0.21

4.9

(28) ± 6.2

    

4760 (28) ± 1506

  

2

Tuff

R

O + R

U

1.47 (66) ± 0.63

44.3 (66) ± 19.4

    

1830 (66) ± 1202

  

2

Andesite breccia

NZ

R

M—S

2.66/2.66 (12) ± 0.02

1.7/1.7 (12) ± 0.2

    

4204/4163 (12) ± 119

2457/2428 (12) ± 96

 

4

Rotokawa andesite

NZ

R

M—S

2.51/2.53 (15) ± 0.07

7.7/6.8 (15) ± 2.6

    

4164/4154 (15) ± 188

2552/2550 (15) ± 102

 

4

Rotokawa andesite

NZ

R

M—S

2.50/2.53 (52) ± 0.07

8.7/7.6 (52) ± 2.6

3.8E-17/3.0E-17 (30) ± 3.2E-17

   

4011/4021 (52) ± 230

2510/2534 (22) ± 133

 

3

Rotokawa andesite

NZ

R

M—S

2.41/2.42 (10) ± 0.10

11.7/9.8 (15) ± 3.5

       

9

Rotokawa andesite

NZ

R

M

2.48/2.48 (10) ± 0.02

8.8/8.7 (10) ± 0.8

2.4E-18/2.4E-18 (10) ± 1.1E-18

   

3995/3985 (10) ± 106

2106/2117 (10) ± 258

 

11

Rotokawa andesite

NZ

R

H

2.29/2.29 (10) ± 0.02

15.7/15.6 (10) ± 1.7

3.5E-16/3.1E-16 (10) ± 2.5E-16

   

3604/3616 (10) ± 181

1899/1920 (10) ± 121

 

11

Spa andesite

NZ

R

W

2.25/2.37 (24) ± 0.23

12.1/9.5 (24) ± 12.0

2.0E-16/4.4E-17 (24) ± 4.8E-16

1.30/1.32 (24) ± 0.28

0.78/0.74

(24) ± 0.16

748/740 (24) ± 85

   

6

Spa andesite breccia

NZ

R

S

1.67/1.71 (12) ± 0.18

39.1/38. 7 (12) ± 5.3

5.9E-15/1.9E-15 (12) ± 1.0E-14

0.75/0.71 (12) ± 0.20

0.68/0.68

(12) ± 0.16

680/662 (12) ± 113

   

6

Andesitic lava (Tauhara)

NZ

O

U

2.32

(3) ± 0.01

10.1

(3) ± 3.2

5E-16

(3) ± 2E-16

1.61

(3) ± 0.22

1.07

(3) ± 0.12

580

(3) ± 25

3700

(3) ± 824

2400 (3) ± 400

 

8

Dacitic lava (Tauhara)

NZ

O

U

2.37

(5) ± 0.01

10.8

(5) ± 0.3

8E-16

(5) ± 9E-16

1.18

(5) ± 0.04

0.84

(5) ± 0.07

530

(5) ± 35

2200

(5) ± 200

1400 (5) ± 200

 

8

Rhyolitic lava (Rotorua)

NZ

O

U

1.96 (16) ± 0.18

23.1

(16) ± 7.3

2E-13 (16) ± 4E-13

1.04

(16) ± 0.17

0.83

(16) ± 0.09

490

(16) ± 75

2000 (16) ± 851

1300 (16) ± 608

 

8

Whakapapa andesitic lava

NZ

O

M—S

 

4.2/4.4 (8) ± 0.6

7.0E-17/4.6E-17 (8) ± 5.5E-17

      

7

Whakapapa andesitic lava

NZ

O

U

 

19.4/16.9 (19) ± 8.9

6.4E-12/4.3E-14 (19) ± 1.1E-11

      

7

  1. O = outcrop samples, R = reservoir samples, A = alteration intensity, U = unaltered, W = weak, M = moderate, S = strong, LAIA = Lesser Antilles Island arc (Caribbean Sea), MX = Mexico, NZ = New Zealand, R = Russia, WI = West Indies volcanic zone. References: 1—Heap et al. (2014), 2—Frolova et al. (2014), 3—Siratovich et al. (2014), 4—Wyering et al. (2014), 5—Farquharson et al. (2015), 6—Mielke et al. (2015), 7—Heap and Kennedy (2016), 8—Mielke et al. (2016), 9—Siratovich et al. (2016), 10—Navelot et al. (2018), 11—Mordensky et al. (2019b), 12—Delayre et al. (2020)
  2. Arithmetic mean values in normal font, the numbers in bold represent the median, ±  = standard deviation, () = number of analyzed plugs, ρP = particle density, ρB = bulk density, ɸ = porosity, K = permeability, λ = thermal conductivity, α = thermal diffusivity, VP = P-wave velocity, VS = S-wave velocity, cp = specific heat capacity, X = magnetic susceptibility
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