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Table 2 Summary of the results obtained in chemical analyses of paintings from caves Oyola 1, 7 and 34

From: Looking for paint mixtures to glimpse pictorial techniques: a micro-stratigraphic physicochemical approach to the rock art from the Oyola’s Caves (Argentina)

Cave

N° painting samples taken

Black paintings

White paintings

Red paintings

Alteration deposits

N° samples analyzed

With manganese

Without manganese

With carbon

N° samples analyzed

With calcite

With gypsum

With gypsum and calcite

N° samples analyzed

Hematite with gypsum

Hematite without gypsum

N° of samples taken

N° samples analyzed

Oyola 1

7

3

1

2

2

Oyola 7

37

3

3

8

2

5

1

8

6

2

37

6

Oyola 34

25

10

5

5

1

1

11

10

1

5

1