Table 2. Leg 161 and beach sand raw data and recalculated parameters.
Core, section,
interval (cm)
Depth
(mbsf)
Qp
Qm
P
Palt zeol
F
unst
K
Lvo
Lvf
Lvv
Lvml
Lvl
Lmv
Lmm
Lmt
Lma
Lmp
161-974B-1H-3, 139-140 4.39 5 88 29 0 1 47 0 0 95 29 3 0 3 23 0 0
2H-4, 63-65 11.63 1 110 42 0 12 72 0 3 6 4 0 0 7 50 13 8
3H-4, 27-28 20.77 0 0 2 0 0 0 0 0 382 15 0 0 0 0 0 0
4H-3, 12-13 28.62 0 95 58 0 3 63 0 3 3 0 0 0 11 53 14 9
5H-3, 83-84 38.83 0 116 60 0 2 77 0 0 4 0 0 0 19 36 10 0
6H-6, 132-133 53.32 0 104 33 0 0 53 0 0 0 1 0 0 29 88 28 12
7H-3, 74-75 57.45 0 0 0 0 0 0 0 0 397 1 0 0 0 0 0 0
9H-6, 116-118 81.56 0 0 19 0 0 16 0 2 292 57 4 0 0 1 1 3
161-974B-22X-5, 56-57 200.66 4 128 12 0 0 19 0 0 0 0 0 0 3 15 0 0
22X-6, 45-46 202.05 0 154 3 0 0 13 0 0 0 0 0 0 9 19 0 0
22X-CC, 28-29 202.91 0 94 48 0 0 25 0 0 0 7 8 0 4 36 8 0
161-976B-3H-1, 72-74 13.72 0 103 13 0 0 17 0 0 0 0 0 0 2 0 0 0
6H-2, 85-87 43.85 0 111 16 0 0 9 0 0 0 0 0 0 0 0 0 0
33X-2, 33-35 300.86 1 209 23 0 0 16 0 0 0 0 0 0 0 13 0 0
161-976B-39X-CC, 24-26 364.89 6 176 8 0 0 12 0 0 0 0 0 20 3 67 0 0
42X-CC, 15-16 386.75 0 138 12 0 0 6 0 0 0 0 0 0 5 55 0 0
47X-CC, 10-14 440.24 0 83 3 0 0 4 0 0 0 0 0 7 11 27 0 17
48X-1, 11-12 444.61 0 97 13 0 0 14 0 0 0 0 0 6 21 31 0 1
51X-1, 45-4 473.8 0 101 3 0 0 4 0 0 1 0 0 0 18 61 0 4
52X-1, 18-20 482.98 0 165 27 0 0 11 0 0 0 0 0 5 8 78 0 0
58X-4, 117-119 539.63 0 169 19 0 0 28 0 0 0 0 0 1 8 85 0 0
72X-2, 52-54 662.22 0 132 115 0 0 12 0 1 0 0 0 0 11 0 0 0
72X-3, 91-93 663.89 0 69 109 105 0 4 0 2 2 13 8 0 0 5 0 0
72X-CC, 16-18 664.23 0 88 113 0 0 70 0 0 13 12 15 0 1 13 0 0
161-977A-22X-CC, 19-20 204.01 0 14 0 0 0 0 0 0 0 0 0 0 100 43 0 0
27X-6, 129-130 251.39 0 103 0 0 0 0 0 0 0 0 0 0 26 38 0 0
24X-4, 73-74 218.83 0 38 0 0 0 0 0 0 0 0 0 0 31 5 0 0
25X-CC, 34-35 233.06 17 110 13 0 0 9 0 0 0 0 0 0 5 93 0 0
27X-6, 29-130 251.39 0 103 0 0 0 0 0 0 0 0 0 0 28 38 0 0
39X-1, 126-127 359.16 0 26 0 0 0 0 0 0 0 0 0 0 0 0 0 0
52X-5, 76-77 489.66 0 254 0 0 0 20 0 0 0 0 0 0 0 39 0 0
161-977A-57X-CC, 33-34 532.76 3 31 19 0 0 9 0 10 0 0 0 0 2 4 0 0
161-979A-4R-1, 134-136 224.04 0 158 5 0 0 14 0 0 0 0 0 0 19 85 0 0
6R-1, 70-72 236.9 0 162 5 0 0 13 0 0 0 0 0 0 20 89 0 0
16R-2, 90-92 334.9 0 91 4 0 0 1 0 0 0 0 0 0 9 18 0 0
161-979A-2H-2, 96-97 3.96 0 4 8 0 0 5 3 0 91 0 8 0 0 0 0 0
9H-4, 76-78 73.26 0 176 14 0 0 8 0 0 0 0 0 1 2 27 0 0
13H-CC, 22-24 116.43 2 176 18 0 0 4 0 0 0 0 0 5 1 30 0 0
15H-3, 34-35 126.99 0 126 20 0 0 0 0 0 0 0 0 0 0 17 0 0
24X-4, 125-126 211.45 2 136 12 0 0 4 0 0 0 0 0 0 0 35 0 0
27X-3, 111-113 237.6 0 78 3 0 0 0 0 0 0 0 0 0 0 44 0 0
33X-4, 8-10 295.96 0 188 8 0 0 6 0 0 0 0 0 0 0 12 0 0
54X-3, 127-129 498.67 0 159 4 0 0 4 0 6 0 0 0 0 4 41 0 0
55X-4, 140-142 509.8 0 222 12 0 0 3 0 3 56 0 0 1 0 14 0 0
58X-1, 80-82 533.5 0 149 38 0 0 22 0 0 29 0 25 0 0 50 0 0
Sample Beach location
















1 = Beach at mouth of R. de Aguas (westernmost) 4 145 2 0 0 0 0 0 0 0 0 0 7 131 0 0
2 = Beach 10 km east of Cabo de Gata 0 37 25 0 0 5 0 0 82 0 0 0 0 0 0 0
3 = Beach at mouth of R. Andarax 0 59 0 0 0 0 0 0 0 0 0 0 0 119 0 0
4 = Beach 5 km east of Castell de Ferro
0 48 9 0 0 0 0 0 0 0 0 0 9 125 0 0
5 = Beach near mouth of R. Guadalfeo
0 50 4 0 0 0 0 0 0 0 0 0 2 107 0 0
6 = Beach near mouth of R. Guadalhorce 6 150 20 0 0 1 0 0 0 0 0 33 1 82 0 0
7 = Beach near mouth of R. Fuengiroia
0 137 35 0 0 3 0 0 0 0 0 25 0 47 0 0
8 = Beach near mouth of R. Guadalmansa 6 122 33 0 0 9 0 0 0 0 0 117 0 64 0 0
9 = Beach 5 km east of Estepona
1 145 26 0 0 10 0 0 0 0 0 96 0 31 0 0
10 = Beach east of Gibraltar (easternmost) 8 258 10 0 0 2 0 0 0 0 0 21 1 63 0 0
 
Core, section,
interval (cm)
Depth
(mbsf)
Lmct
Lsa
Lsac
Lsc
Lsch
Lsi
M
Op
D
Non
Op D
Carb
Zeol
Glau
Phsp
Misc und
Carb bio
Inter
cmt
Total pts



















161-974B-1H-3, 139-140 4.39 0 7 4 2 1 0 11 0 8 30 1 7 3 3 * 3 403
2H-4, 63-65 11.63 0 20 8 2 4 0 26 0 3 3 0 0 0 6 * 0 400
3H-4, 27-28 20.77 0 0 0 0 0 0 0 0 0 0 0 0 0 1 * 0 400
4H-3, 12-13 28.62 0 0 0 0 0 0 68 1 7 10 0 0 0 2 * 0 400
5H-3, 83-84 38.83 0 0 0 0 0 0 70 0 0 5 0 1 0 0 * 0 400
6H-6, 132-133 53.32 0 1 0 0 0 0 32 0 8 11 0 0 0 0 * 0 400
7H-3, 74-75 57.45 0 0 0 0 0 0 1 0 0 0 0 0 0 1 * 0 400
9H-6, 116-118 81.56 0 1 0 0 1 0 1 0 1 1 0 0 0 0 * 0 400
161-974B-22X-5, 56-57 200.66 0 94 4 2 0 0 48 0 0 64 0 4 0 3 * 0 400
22X-6, 45-46 202.05 0 75 2 72 0 0 27 0 0 22 0 2 0 2 * 0 400
22X-CC, 28-29 202.91 0 1 0 11 0 0 8 0 3 2 0 0 0 0 * 0 253
161-976B-3H-1, 72-74 13.72 0 11 0 0 0 0 3 0 0 3 0 0 0 0 24 0 176
6H-2, 85-87 43.85 0 3 0 0 0 0 11 0 0 1 0 0 0 0 45 0 196
33X-2, 33-35 300.86 0 4 0 4 0 0 14 0 0 9 0 0 0 0 62 0 355
161-976B-39X-CC, 24-26 364.89 0 0 0 29 0 0 0 3 1 62 0 0 0 0 13 0 400
42X-CC, 15-16 386.75 0 0 0 16 0 0 30 5 0 79 0 0 0 6 26 0 378
47X-CC, 10-14 440.24 0 10 7 0 0 0 3 2 2 47 0 0 0 23 14 112 372
48X-1, 11-12 444.61 0 0 0 32 0 0 19 1 0 50 0 0 0 1 9 105 400
51X-1, 45-4 473.8 0 0 0 21 0 0 14 1 0 60 0 0 0 5 17 90 400
52X-1, 18-20 482.98 0 0 0 6 0 0 0 4 0 90 6 0 0 0 * 0 400
58X-4, 117-119 539.63 0 0 0 38 0 0 17 0 0 42 0 0 0 0 13 0 400
72X-2, 52-54 662.22 1 0 0 1 0 0 28 1 0 28 59 5 0 0 6 0 400
72X-3, 91-93 663.89 0 0 0 6 0 0 28 0 0 7 41 1 0 0 0 0 400
72X-CC, 16-18 664.23 0 8 1 2 0 0 37 0 0 25 1 2 0 0 1 0 400
161-977A-22X-CC, 19-20 204.01 0 0 0 0 0 0 85 10 23 0 0 0 0 0 * 0 275
27X-6, 129-130 251.39 0 0 0 0 0 0 37 0 0 5 0 0 0 0 * 0 209
24X-4, 73-74 218.83 0 0 0 0 0 0 30 0 0 0 0 0 0 0 * 0 104
25X-CC, 34-35 233.06 0 30 0 55 0 3 14 1 0 12 0 38 0 0 * 0 400
27X-6, 29-130 251.39 0 0 0 0 0 0 37 0 0 5 0 0 0 0 * 0 209
39X-1, 126-127 359.16 0 0 0 0 0 0 1 0 0 25 0 0 0 0 348 0 400
52X-5, 76-77 489.66 0 5 0 0 1 0 3 0 0 70 0 2 0 0 * 0 394
161-977A-57X-CC, 33-34 532.76 0 1 0 4 0 9 0 2 0 0 0 0 0 0 * 0 94
161-979A-4R-1, 134-136 224.04 0 0 0 34 0 0 27 11 0 47 0 0 0 0 * 0 400
6R-1, 70-72 236.9 0 0 0 41 0 0 24 4 0 49 0 0 0 0 * 0 407
16R-2, 90-92 334.9 0 0 0 2 0 0 16 18 0 9 0 0 0 0 * 0 168
161-979A-2H-2, 96-97 3.96 0 0 0 0 0 0 0 0 0 0 0 20 0 23 202 0 364
9H-4, 76-78 73.26 0 38 0 6 0 0 42 24 0 20 0 46 0 0 * 0 400
13H-CC, 22-24 116.43 0 15 0 12 0 0 17 6 0 37 0 77 0 0 * 0 400
15H-3, 34-35 126.99 0 0 0 2 0 0 10 3 0 49 0 48 0 0 125 0 400
24X-4, 125-126 211.45 0 114 0 43 0 17 5 3 3 7 0 19 0 0 * 0 400
27X-3, 111-113 237.6 0 150 0 36 0 0 2 0 0 5 0 82 0 0 * 0 400
33X-4, 8-10 295.96 0 38 0 14 0 0 24 0 1 20 0 82 0 7 * 0 400
54X-3, 127-129 498.67 0 33 0 65 0 0 12 0 0 34 0 38 0 0 * 0 400
55X-4, 140-142 509.8 0 0 0 4 0 0 12 6 0 26 0 39 0 2 * 0 400
58X-1, 80-82 533.5 0 0 0 0 0 0 5 3 0 44 0 35 0 0 * 0 400
Sample Beach location

















1 = Beach at mouth of R. de Aguas (westernmost) 0 6 0 17 0 0 6 18 0 3 0 0 0 0 * 0 339
2 = Beach 10 km east of Cabo de Gata 0 0 0 0 0 0 2 0 0 0 34 0 0 0 * 0 185
3 = Beach at mouth of R. Andarax 0 0 0 33 0 0 0 28 4 6 0 0 0 0 * 0 249
4 = Beach 5 km east of Castell de Ferro
0 0 0 0 0 0 0 9 0 2 18 0 0 0 * 0 218
5 = Beach near mouth of R. Guadalfeo
0 0 0 0 0 0 0 14 0 0 0 0 0 0 * 0 177
6 = Beach near mouth of R. Guadalhorce 0 25 0 29 0 4 0 0 0 0 0 0 0 0 * 0 351
7 = Beach near mouth of R. Fuengiroia
0 0 0 8 0 0 0 3 0 0 0 0 0 0 * 0 258
8 = Beach near mouth of R. Guadalmansa 0 0 0 9 0 0 0 0 0 0 0 0 0 0 * 0 360
9 = Beach 5 km east of Estepona
0 17 0 2 0 0 0 0 0 0 0 0 0 0 * 0 328
10 = Beach east of Gibraltar (easternmost) 0 0 0 7 0 0 4 0 1 4 0 0 0 3 * 0 400
 
QFL%
QmFLt%
LmLvLs%
QmKP%
Core, section,
interval (cm)
Depth
(mbsf)
Q
F
L
Qm
F
Lt
Lm
Lv
Ls
Qm
K
P
161-974B-1H-3, 139-140 4.39

27.6 22.8 49.6 26.1 22.8 51.0 15.6 76.0 8.4 53.3 28.5 18.2
2H-4, 63-65 11.63

30.7 34.8 34.5 30.4 34.8 34.8 62.4 10.4 27.2 46.6 30.5 22.9
3H-4, 27-28 20.77

0.0 0.5 99.5 0.0 0.5 99.5 0.0 100.0 0.0 0.0 0.0 100.0
4H-3, 12-13 28.62

30.4 39.7 29.8 30.4 39.7 29.8 93.5 6.5 0.0 43.4 28.8 27.9
5H-3, 83-84 38.83

35.8 42.9 21.3 35.8 42.9 21.3 94.2 5.8 0.0 45.5 30.2 24.3
6H-6, 132-133 53.32

29.8 24.6 45.6 29.8 24.6 45.6 98.7 0.6 0.6 54.7 27.9 17.4
7H-3, 74-75 57.45

0.0 0.0 100.0 0.0 0.0 100.0 0.0 100.0 0.0      
9H-6, 116-118 81.56

0.0 8.8 91.2 0.0 8.8 91.2 1.4 98.1 0.6 0.0 45.7 54.3

 
Avg
 19.3 21.8 58.9 19.1 21.8 59.2 45.7 49.7 4.6 34.8 27.4 37.9

 
Std
 16.1 17.1 32.7 16.0 17.1 32.5 45.9 47.6 9.6 24.1 13.6 30.1
161-974B-22X-5, 56-57 200.66

47.0 11.0 42.0 45.6 11.0 43.4 15.3 0.0 84.7 80.5 11.9 7.5
22X-6, 45-46 202.05

44.4 4.6 51.0 44.4 4.6 51.0 15.8 0.0 84.2 90.6 7.6 1.8
22X-CC, 28-29 202.91

38.8 30.2 31.0 38.8 30.2 31.0 64.0 20.0 16.0 56.3 15.0 28.7

 
Avg
 43.4 15.3 41.3 42.9 15.3 41.8 31.7 6.7 61.6 75.8 11.5 12.7

 
Std
 4.2 13.3 10.0 3.6 13.3 10.1 28.0 11.5 39.5 17.6 3.7 14.2
161-976B-3H-1, 72-74 13.72

70.5 20.5 8.9 70.5 20.5 8.9 15.4 0.0 84.6 77.4 12.8 9.8
6H-2, 85-87 43.85

79.9 18.0 2.2 79.9 18.0 2.2 0.0 0.0 100.0 81.6 6.6 11.8
33X-2, 33-35 300.86

77.8 14.4 7.8 77.4 14.4 8.1 61.9 0.0 38.1 84.3 6.5 9.3

 
Avg
 76.1 17.6 6.3 75.9 17.6 6.4 25.8 0.0 74.2 81.1 8.6 10.3

 
Std
 4.9 3.1 3.6 4.9 3.1 3.7 32.2 0.0 32.2 3.5 3.6 1.3
161-976B-39X-CC, 24-26 364.89

56.7 6.2 37.1 54.8 6.2 38.9 75.6 0.0 24.4 89.8 6.1 4.1
42X-CC, 15-16 386.75

59.5 7.8 32.8 59.5 7.8 32.8 78.9 0.0 21.1 88.5 3.8 7.7
47X-CC, 10-14 440.24

49.1 4.1 46.7 49.1 4.1 46.7 78.5 0.0 21.5 92.2 4.4 3.3
48X-1, 11-12 444.61

45.1 12.6 42.3 45.1 12.6 42.3 64.8 0.0 35.2 78.2 11.3 10.5
51X-1, 45-4 473.8

47.4 3.3 49.3 47.4 3.3 49.3 79.0 1.0 20.0 93.5 3.7 2.8
52X-1, 18-20 482.98

55.0 12.7 32.3 55.0 12.7 32.3 93.8 0.0 6.2 81.3 5.4 13.3
58X-4, 117-119 539.63

51.5 14.3 34.1 51.5 14.3 34.1 66.1 0.0 33.9 78.2 13.0 8.8

 
Avg
 52.0 8.7 39.2 51.8 8.7 39.5 76.7 0.1 23.2 86.0 6.8 7.2

 
Std
 5.2 4.5 6.9 5.0 4.5 6.9 9.7 0.4 9.7 6.6 3.8 4.0
72X-2, 52-54 662.22

48.4 46.5 5.1 48.4 46.5 5.1 85.7 7.1 7.1 51.0 4.6 44.4
72X-3, 91-93 663.89

21.4 67.5 11.1 21.4 67.5 11.1 13.9 69.4 16.7 24.0 1.4 74.6
72X-CC, 16-18 664.23

26.3 54.8 18.9 26.3 54.8 18.9 22.2 63.5 14.3 32.5 25.8 41.7

 
Avg
 32.0 56.3 11.7 32.0 56.3 11.7 40.6 46.7 12.7 35.8 10.6 53.6

 
Std
 14.4 10.6 6.9 14.4 10.6 6.9 39.3 34.4 5.0 13.8 13.3 18.3
161-977A-22X-CC, 19-20 204.01

8.9 0.0 91.1 8.9 0.0 91.1 100.0 0.0 0.0 100.0 0.0 0.0
27X-6, 129-130 251.39

61.7 0.0 38.3 61.7 0.0 38.3 100.0 0.0 0.0 100.0 0.0 0.0
24X-4, 73-74 218.83

51.4 0.0 48.6 51.4 0.0 48.6 100.0 0.0 0.0 100.0 0.0 0.0
25X-CC, 34-35 233.06

37.9 6.6 55.5 32.8 6.6 60.6 52.7 0.0 47.3 83.3 6.8 9.8
27X-6, 29-130 251.39

61.7 0.0 38.3 61.7 0.0 38.3 100.0 0.0 0.0 100.0 0.0 0.0
39X-1, 126-127 359.16

100.0 0.0 0.0 100.0 0.0 0.0       100.0 0.0 0.0
52X-5, 76-77 489.66

79.6 6.3 14.1 79.6 6.3 14.1 86.7 0.0 13.3 92.7 7.3 0.0

 
Avg
 57.3 1.8 40.8 56.6 1.8 41.6 89.9 0.0 10.1 96.6 2.0 1.4

 
Std
 29.2 3.1 29.4 29.8 3.1 29.9 19.0 0.0 19.0 6.5 3.4 3.7
161-977A-57X-CC, 33-34 532.76

37.0 30.4 32.6 33.7 30.4 35.9 20.0 33.3 46.7 52.5 15.3 32.2
161-979A-4R-1, 134-136 224.04

50.2 6.0 43.8 50.2 6.0 43.8 75.4 0.0 24.6 89.3 7.9 2.8
6R-1, 70-72 236.9

49.1 5.5 45.5 49.1 5.5 45.5 72.7 0.0 27.3 90.0 7.2 2.8
16R-2, 90-92 334.9

72.8 4.0 23.2 72.8 4.0 23.2 93.1 0.0 8.9 94.8 1.0 4.2

 
Avg
 57.4 5.2 37.5 57.4 5.2 37.5 80.4 0.0 19.6 91.4 5.4 3.3

 
Std
 13.4 1.0 12.4 13.4 1.0 12.4 11.1 0.0 11.1 3.0 3.8 0.8
161-979A-2H-2, 96-97 3.96

3.4 10.9 85.7 3.4 10.9 85.7 0.0 100.0 0.0 23.5 29.4 47.1
9H-4, 76-78 73.26

65.7 7.5 26.9 65.7 7.5 26.9 41.7 0.0 58.3 89.8 3.1 7.1
13H-CC, 22-24 116.43

67.7 8.4 24.0 66.9 8.4 24.7 57.1 0.0 42.9 88.9 2.0 9.1
15H-3, 34-35 126.99

76.4 12.1 11.5 76.4 12.1 11.5 89.5 0.0 10.5 86.3 0.0 13.7
24X-4, 125-126 211.45

38.0 4.4 57.6 37.5 4.4 58.1 16.7 0.0 83.3 89.5 2.8 7.9
27X-3, 111-113 237.6

25.1 1.0 74.0 25.1 1.0 74.0 19.1 0.0 80.9 96.3 0.0 3.7
33X-4, 8-10 295.96

70.7 5.3 24.1 70.7 5.3 24.1 18.8 0.0 81.3 93.1 3.0 4.0
54X-3, 127-129 498.67

50.3 2.5 47.2 50.3 2.5 47.2 30.2 4.0 85.8 95.2 2.4 2.4
55X-4, 140-142 509.8

70.5 4.8 24.8 70.5 4.8 24.8 19.2 75.6 5.1 93.7 1.3 5.1
58X-1, 80-82 533.5

47.6 19.2 33.2 47.6 19.2 33.2 48.1 51.9 0.0 71.3 10.5 18.2


Avg
 51.5 7.6 40.9 51.4 7.6 41.0 34.0 23.2 42.8 82.8 5.4 11.8


Std
 23.6 5.4 24.4 23.6 5.4 24.4 25.8 38.1 35.7 22.0 8.9 13.3
Sample Beach location

                       
1 = Beach at mouth of R. de Aguas (westernmost)

47.8 0.8 51.8 46.5 0.6 52.9 85.7 0.0 14.3 98.8 0.0 1.4
2 = Beach 10 km east of Cabo de Gata

24.8 20.1 55.0 24.8 20.1 55.0 0.0 100.0 0.0 55.2 7.5 37.3
3 = Beach at mouth of R. Andarax

28.0 0.0 72.0 28.0 0.0 72.0 78.3 0.0 21.7 100.0 0.0 0.0
4 = Beach 5 km east of Castell de Ferro

25.1 4.7 70.2 25.1 4.7 70.2 100.0 0.0 0.0 94.2 0.0 15.8
5 = Beach near mouth of R. Guadalfeo

30.7 2.5 86.9 30.7 2.5 68.9 100.0 0.0 0.0 92.6 0.0 7.4
6 = Beach near mouth of R. Guadalhorce

44.4 6.0 49.6 42.7 6.0 51.3 66.7 0.0 33.3 87.7 0.6 11.7
7 = Beach near mouth of R. Fuengiroia

54.2 15.0 30.8 54.2 15.0 30.8 92.3 0.0 7.7 78.3 1.7 20.0
8 = Beach near mouth of R. Guadalmansa

35.6 11.7 52.8 33.9 11.7 54.4 95.3 0.0 4.7 74.4 5.5 20.1
9 = Beach 5 km east of Estepona

44.5 11.0 44.5 44.2 11.0 44.8 87.0 0.0 13.0 80.1 5.5 14.4
10 = Beach east of Gibraltar (easternmost)

68.0 3.1 28.9 66.0 3.1 30.9 93.8 0.0 8.3 95.5 0.7 3.7


Avg
 40.3 7.5 52.2 39.5 7.5 52.9 79.9 10.0 10.1 84.7 2.2 13.2


Std
 14.1 6.7 14.9 13.6 6.7 14.6 29.9 31.6 10.8 13.6 2.9 11.2

Note: See Table 1 for definition of abbreviations; avg. = mean; std = standard deviation, asterisk in column indicates bioclasts not counted.