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Table 6 Sample depth and lithological interpretation of the reservoir samples

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

Sample ID

Well

Depth [m bgl]

Lithological interpretation

H7-x

H7

2300

Marble

H13-1

H13

1200

Mafic lava

H13-3

H13

2414

Marble

H15-1

H15

1250

Andesitic lava

H15-4

H15

1970

Marble

H18-1

H18

796

Mafic lava

H18-3

H18

1750

Andesitic lava/breccia

H18-4

H18

2900

Skarn

H19-1

H19

981

Rhyolitic lava

H19-2

H19

1300

Andesitic lava

H19-3

H19

1769

Basaltic—andesitic lava

H20-4

H20

1400

Andesitic lava

H22-x

H22

663

Ignimbrite/andesite breccia

H23-1

H23

673

Ignimbrite/andesite breccia

H23-2

H23

1200

Andesitic lava

H23-3

H23

1924

Andesitic lava

H23-4

H23

2495

Andesitic lava

H24-1

H24

1008

Trachyandesite lava

H24-3

H24

2294

Andesitic lava (partially silicified)

H24-4

H24

2844

Skarn

H25-3

H25

2300

Andesitic lava

H26-1

H26

350

Ignimbrite

H26-2

H26

1200

Trachyandesite lava

H26-3

H26

1810

Basaltic andesitic lava

H26-4

H26

2000

Silicified lava

H27-1

H27

1110

Andesitic lava

H27-3

H27

2048

Andesitic lava

H28-1

H28

1250

Basaltic andesitic lava

H28-2

H28

2002

Silicified lava

H38-1

H38

1100

Basaltic andesitic lava

H38-2

H38

1500

Andesitic lava

H38-4

H38

1950

Andesitic lava

H39-1

H39

1200

Andesitic lava

H39-2

H39

1650

Andesitic lava (partially silicified)

H39-3

H39

1800

Andesitic lava

H39-4

H39

2100

Andesitic lava

H40-1

H40

1612

Andesitic lava