Table 1 Details of the rock sample number, coordinates, study sites, and geological formation for lithological, petrographic, and geochemical analyses

From: Geological characteristics of ancient Sīma stone heritage in Khon Kaen Geopark, Northeastern Thailand

Study sites

Coordinates (UTM, 48Q)

Area and sample description

Geological formation in map

1

1847267 N 224200E

Sīma stone at Ban Ruea with adjacent sandstone formations

Phu Kradung

2

1847168 N 223190E

Stone pillar at Ban Ruea with adjacent sandstone formations

3

1847887 N 224376E

archaeological artifacts at Ban Ruea

4

1834623 N 198739E

Sīma stones and sandstone at Tham Phra Kho Khat in Phu Wiang National Park

Phra Wihan

5

3149167 N 556276E

Sīma stones at Wat Pa Don Ku

Phu Kradung

6

1849167 N 226276E

Sandstone at Sop Nam or confluence

7

1949167 N 269076E

Sandstone at Ban Kut Khaen