West Florida Shelf Bottom Sample Data
West Florida Shelf Bottom Sample Data
Sample ID |
latitude |
longitude |
water depth (m) |
sed type |
%CaCO3 |
%gravel |
%sand |
%silt |
%clay |
Visual Field Description | Visual Lab Description |
28°59.29'N |
85°21.50'W |
60 |
(g)S |
28.02 |
0.91 |
95.97 |
1.81 |
1.31 |
brown, fine to med. sand, lots of coarse biogenic material | ||
28°58.28'N |
85°30.44'W |
123 |
(g)S |
59.14 |
3.93 |
86.13 |
6.99 |
2.95 |
"pit area," olive gray silty fine sand, lots of black grains | ||
28°59.44'N |
85°26.68'W |
57 |
gS |
6.47 |
7.98 |
91.41 |
0.33 |
0.29 |
"large sandwave area," coarse, well-sorted sand, reddish brown, mainly silicate, but significant biogenic component | ||
29°00.37'N |
85°26.62'W |
54.9 |
gS |
19.98 |
6.79 |
92.54 |
0.4 |
0.27 |
similar to 3, slightly less red | ||
24°49.64'N |
82°35.16'W |
31.6 |
(g)M |
94.39 |
0.43 |
9.95 |
77.14 |
12.49 |
very clay-like | gray clay | |
26°59.80'N |
83°50.30'W |
65 |
(g)S |
99 |
1.61 |
92.51 |
4.15 |
1.73 |
shell hash | coarse gray sand/gravel, well-sorted, predom. biogenic | |
27°25.12'N |
84°04.90'W |
72.8 |
(g)mS |
96.48 |
1.05 |
60.48 |
33.35 |
5.12 |
"soupy", well mixed, hard to say that top of sediment represents top 2 cm of substrate | tannish gray fine sand and clay, well-sorted | |
27°54.54'N |
84°21.84'W |
68.2 |
(g)S |
98.44 |
1.37 |
93.64 |
3.85 |
1.15 |
coarse sand | med. sand and gravel (shell frags.), black, white, orange grains | |
28°28.10'N |
84°41.45'W |
60.2 |
gS |
95.04 |
5.36 |
90.2 |
3.04 |
1.4 |
1st attempt empty, fathometer shows hardbottom, 2nd coarse sand | med. to cse. sand and gravel, ~50% dark grains, lots of biogenic material | |
29°00.07'N |
85°22.02'W |
45.2 |
(g)S |
28.41 |
2.44 |
96.95 |
0.32 |
0.3 |
coarse, well-sorted quartz sand w/ ~20% carbonate grains, orange. | ||
28°59.80'N |
85°22.00'W |
46 |
gS |
16.25 |
6.66 |
92.86 |
0.23 |
0.25 |
coarse sand-similar to #6, mainly quartz, color is orange, but decompressing mass making it black | ||
28°59.40'N |
85°21.92'W |
57.7 |
(g)S |
39.28 |
4.27 |
94.17 |
1.08 |
0.48 |
another coarse, orange, quartz sand with signif. biogenic comp. A little clay, slightly dirtier than #6 | ||
28°59.15'N |
85°22.00'W |
60 |
gS |
31.53 |
11.75 |
86.26 |
1.43 |
0.56 |
sand/gravel. medium sand is quartz. gravel is shells, slightly orange, more gray | ||
28°59.10'N |
85°21.95'W |
61.5 |
(g)S |
20.33 |
2.78 |
95.36 |
1.23 |
0.64 |
medium quartz sand, slightly orange, ~10% shell ground | ||
28°58.60'N |
85°21.94'W |
70 |
(g)S |
25.9 |
2.76 |
96.16 |
0.63 |
0.45 |
orange-brown med-sand, mainly quartz with shells (gravel) | ||
28°58.10'N |
85°21.96'W |
73 |
(g)S |
37.05 |
3.2 |
95.45 |
0.86 |
0.49 |
med. orange-brown sand mainly quartz with shells (gravel) | ||
28°58.90'N |
85°25.00'W |
86.7 |
(g)mS |
75.33 |
0.08 |
85.39 |
12.55 |
1.99 |
finer sediment than previous sites | olive-gray silt to fine sand no coarse material | |
28°59.66'N |
85°25.00'W |
69 |
gS |
7.04 |
9.11 |
90.23 |
0.32 |
0.34 |
moving up the slope | v. orange med. quartz sand w/5% shell gravel, no fines | |
29°00.40'N |
85°25.00'W |
53 |
gS |
44.19 |
8.61 |
90.65 |
0.37 |
0.36 |
on top of ridge | light-orange med. sand/50% biogenic coarse sand to gravel | |
29°01.07'N |
85°24.97'W |
52.5 |
(g)S |
49.93 |
2.9 |
95.9 |
0.75 |
0.45 |
on top of bight; finishes the line of sites beginning w/M22 | med. to coarse, well sorted sand 30% biogenic, light-coarse | |
28°58.83'N |
85°26.46'W |
96 |
mS |
79.72 |
0.05 |
81.22 |
16.77 |
1.96 |
back to the bottom of the southern facing slope of the bight area | fine olive-gray silty sand | |
28°58.90'N |
85°27.21'W |
77 |
gS |
18.76 |
3.64 |
94.87 |
1.06 |
0.43 |
on the slope to the west of the last station | med. orange sand w/5% shell gravel | |
28°59.63'N |
85°19.98'W |
50.9 |
(g)S |
11.2 |
0.88 |
98.25 |
0.43 |
0.45 |
coarse sand | med. to coarse orange sand, mainly quartz 10% biogenic, no fines | |
28°59.06'N |
85°20.11'W |
57.3 |
(g)S |
16.04 |
1.19 |
97.84 |
0.54 |
0.43 |
coarse sand | fine to med. orange-gray sand, 10% biogenic frags | |
28°58.38'N |
85°20.02'W |
60.6 |
(g)S |
11.96 |
3.78 |
95.23 |
0.45 |
0.54 |
slightly orange med. quartz sand, several shells and hard chunks, no fines * removed 1/2 ridged bivalve | ||
28°59.02'N |
85°21.36'W |
61.5 |
(g)S |
22.62 |
1.57 |
97.35 |
0.64 |
0.44 |
coarse sand | gray, slightly orange med. sand w/5% shell frags, no fines | |
28°58.90'N |
85°21.26'W |
61.9 |
(g)S |
19.06 |
1.86 |
95.62 |
1.82 |
0.69 |
2 drops. 1st: Epifauna only. 2nd: Coarse Sed. | gray, fine to med. quartz sand, 5% shell frags. little fines | |
28°58.68'N |
85°21.25'W |
64.2 |
(g)mS |
52.98 |
0.09 |
84.56 |
12.81 |
2.55 |
olive-gray, silt fine sand much like #13 | ||
28°58.47'N |
85°21.19'W |
63.2 |
(g)S |
17.91 |
1.06 |
96.41 |
1.86 |
0.68 |
medium, well-sorted quartz sand 1% shell frags no fines, slightly orange, brown | ||
28°58.74'N |
85°21.58'W |
62.2 |
(g)S |
20.65 |
1.23 |
95.38 |
2.25 |
1.15 |
olive med. quartz sand, shell frags (1%) occasional large chunks, well-sorted | ||
28°59.40'N |
85°22.50'W |
55 |
gS |
48.84 |
5.08 |
93.63 |
0.81 |
0.48 |
pinkish, light orange/gray coarse sand (50% Quartz, 50% biogenic), no fines. | ||
28°58.55'N |
85°29.00'W |
112 |
(g)S |
39.76 |
1.42 |
91.36 |
5.79 |
1.43 |
olive poorly-sorted silty fine sand w/ shell frags. | ||
28°59.26'N |
85°29.00'W |
70 |
gS |
5.18 |
5.97 |
93.06 |
0.65 |
0.33 |
orange med. to coarse quartz sand no fines 1% biogenic | ||
29°00.20'N |
85°29.20'W |
61 |
(g)S |
36.02 |
3.8 |
95.74 |
0.24 |
0.22 |
orange quartz sand, coarse, no fines, 5% biogenic | ||
29°00.33'N |
85°32.85'W |
116 |
(g)mS |
45.24 |
0.19 |
66.33 |
27.76 |
5.73 |
olive, clayey silt, piece of grass | ||
29°01.02'N |
85°32.68'W |
91 |
gS |
51.6 |
6.27 |
92.11 |
1.18 |
0.43 |
gray to orange med. quartz sand ~25% biogenic | ||
29°01.00'N |
85°32.33'W |
79 |
gS |
69.93 |
10.81 |
88.01 |
0.72 |
0.47 |
pinkish orange med. to coarse 50/50 quartz/biogenic, 5% gravel, same stuff, samples 33-39 | ||
29°01.01'N |
85°31.71'W |
74 |
gS |
65.74 |
7.47 |
91.09 |
0.88 |
0.56 |
see WFS98-33 | ||
29°00.99'N |
85°31.22'W |
71.5 |
(g)S |
61.89 |
3.94 |
94.97 |
0.68 |
0.41 |
see WFS98-33 | ||
29°00.98'N |
85°30.72'W |
68 |
gS |
58.92 |
8.84 |
90.15 |
0.66 |
0.34 |
see WFS98-33 | ||
29°00.90'N |
85°29.75'W |
63.1 |
gS |
54.51 |
7.98 |
90.94 |
0.6 |
0.48 |
see WFS98-33 | ||
29°00.00'N |
85°30.60'W |
68.7 |
gS |
28.7 |
7.08 |
91.62 |
0.65 |
0.64 |
see WFS98-33 big chunk of hard bottom, (translucent, soft, elongated [rice like] grains under chunk) | ||
28°59.50'N |
85°31.00'W |
71.3 |
gS |
42.46 |
10.14 |
88.78 |
0.65 |
0.44 |
see WFS98-33 | ||
28°58.90'N |
85°31.40'W |
119.8 |
(g)S |
8.85 |
2.81 |
91 |
4.43 |
1.76 |
well-sorted, orangey gray quartz sand 1% shell frags, no fines | ||
29°05.00'N |
85°32.70'W |
97.7 |
(g)mS |
78.52 |
0.17 |
66.27 |
28.78 |
4.78 |
olive clayey silt cohesive | ||
29°05.00'N |
85°32.30'W |
94.5 |
(g)mS |
78.03 |
0.02 |
79.74 |
17.23 |
3 |
olive clayey silt, cohesive, same as WFS98-41 | ||
29°05.00'N |
85°31.80'W |
87 |
(g)S |
42.8 |
0.03 |
94.77 |
3.47 |
1.72 |
olive silty fine sand, not cohesive | ||
29°05.00'N |
85°31.30'W |
73.4 |
(g)S |
36.51 |
0.3 |
97.78 |
1.27 |
0.65 |
olive to gray, fine to med. sand (like WFS98-45) | ||
29°05.00'N |
85°30.80'W |
66.1 |
(g)S |
38.64 |
0.21 |
98.56 |
0.73 |
0.5 |
same as WFS98-44 | ||
29°02.05'N |
85°29.01'W |
58.8 |
gS |
60.76 |
5.39 |
93.22 |
0.76 |
0.62 |
orange, coarse sand, 10% gravel mixed quartz and biogenic, no fines | ||
29°03.04'N |
85°27.99'W |
56 |
(g)S |
41.73 |
4.01 |
94.77 |
0.7 |
0.52 |
med. to coarse orangey gray mixed quartz/biogenic sand no fines | ||
29°04.28'N |
85°27.04'W |
55.5 |
gS |
31.7 |
9.43 |
89.27 |
0.83 |
0.48 |
gray med. quartz sand, 5% biogenic gravel | ||
29°05.23'N |
85°26.27'W |
54.2 |
gS |
51.3 |
17.25 |
81.33 |
0.93 |
0.48 |
gray, poorly sorted quartz sand and gravel (biogenic) | ||
29°06.20'N |
85°25.30'W |
49.9 |
(g)S |
14.3 |
0.15 |
98.75 |
0.58 |
0.52 |
olive/gray fine sand, 5% medium sand shell pieces | ||
29°11.39'N |
85°40.58'W |
69 |
Whoopie grounds, 1st pinnacle site and ROV station - 2 attempts, no sample on 1st, soft coral on 2nd, no sediment. | ||||||||
| WFS98-101 | 29°33.233'N |
85°58.601'W |
38 |
92.72 |
39.91 |
58.84 |
0.85 |
0.4 |
coarse gravelly shell hash, reddish brown | ||
| WFS98-102 | 29°33.067'N |
85°58.519'W |
42 |
88.45 |
13.59 |
83.44 |
2.1 |
0.86 |
pinkish tan gravelly shell hash | ||
| WFS98-103 | 29°33.091'N |
85°58.528'W |
40.5 |
81.15 |
7.13 |
89.98 |
2.21 |
0.68 |
dark gray coarse sand, 90%+ biogenic |