An Assessment of Prairie Mound Origin Theories
at University of Arkansas Experimental Farms


Appendix B: Particle Size Analysis

(UAFPM-1)  Center of mound A.

   
% Sand
% Silt
% Clay

Depth (cm)

% Total Gravel

 

VC

 

C

 

M

 

F

 

VF

 

Total

 

C

 

M

 

F

 

Total

 

Total

 5

1

1

1

2

8

7

18

48

26

4

78

 4

 25

0

1

1

2

8

8

18

43

24

5

72

10

 45

0

1

0

2

7

7

17

43

25

4

72

11

 65

0

0

1

2

8

8

18

45

26

5

75

 7

 85

0

0

0

1

6

6

14

41

24

4

68

17

105

0

0

0

1

6

6

14

38

23

4

65

21

125

1

0

0

1

5

5

12

35

21

4

60

28

145

0

0

0

1

3

3

 7

22

17

5

44

49

165

0

0

0

1

4

4

 8

24

18

4

47

45

 

(UAFPM-2)   Between mounds A and B.

   
% Sand
% Silt
% Clay

Depth (cm)

% Total Gravel

 

VC

 

C

 

M

 

F

 

VF

 

Total

 

C

 

M

 

F

 

Total

 

Total

  5

0

0

0

1

4

5

11

31

28

7

66

23

 25

1

0

0

1

5

5

11

33

30

7

70

19

 45

0

1

1

1

5

5

13

34

29

6

69

18

 65

1

1

0

1

5

6

14

36

25

6

67

20

 87

1

0

0

1

4

4

 9

24

18

5

48

43

125

5

2

2

2

4

5

15

27

17

4

48

37

145

3

0

0

1

4

5

10

23

16

4

43

47

 

(UAFPM-3)   Center of mound B.

   
% Sand
% Silt
% Clay

Depth (cm)

% Total Gravel

 

VC

 

C

 

M

 

F

 

VF

 

Total

 

C

 

M

 

F

 

Total

 

Total

  8

3

4

1

2

8

8

22

46

21

3

71

 7

 48

2

1

1

2

7

8

19

42

21

4

66

15

 68

1

1

1

1

7

7

17

43

24

4

71

12

 88

0

1

1

1

6

8

17

40

23

4

67

16

108

1

1

0

1

5

7

14

38

21

4

63

22

128

1

1

0

1

5

6

14

37

21

4

62

24

148

0

0

0

1

4

4

 9

24

19

4

47

45

168

0

0

0

1

4

4

10

26

19

3

48

42