Table 2 Relationship between design behavior and quantity of working surfaces

From: Exploring the role of grinding stones in Neolithic economic practices: insights from the Xicaodun site in Southeastern China

Rock type

The quantity of working surfaces

The proportion of different designs (expedient: strategic)

The quantity of grinding stone (piece)

Total (piece)

Andesite

1

1:0

3

221

Sandstone

1-6

1:1

22

Fine sandstone

1-8

1:1.9

148

Siltstone

1-7

1:3.5

37

Spotted hornfels

2

1:0

1

Siliceous rock

1

1:0

1

Mudstone

1

2:1

3

Tuff

1-4

2:1

6

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