| | Appendix B: Core DescriptionsCore BH-00-01 [larger version 96K] | Location: | Port Neches, Orange County, TX Latitude N30°01'15.28" Longitude W93°57'23.48" Water depth 0.06 m Length recovered 0.81 m Date obtained 06/16/2000 Date described 08/18/00 | 0-10 cm | Organic Mud Olive gray (5Y3/2) Root mat: 5% 1cm, 40% 1-2mm, 55% fibrous with mud holding roots together, roots are v. dense at top, section becomes less rooted with increased mud toward bottom of section
* distinct contact | 10-24 cm | Organic Mud Medium dark gray (N4) ~1/4 to 1/3 the number of roots as above section Roots: 35% 1-2mm, 65% fibrous, roots are not dense and mud is water saturated, root density decreases and % mud increases toward bottom of section
* distinct contact | 24-34 cm | Organic Mud Olive black (5Y2/1) Root mat: 60% 2-3cm , 20% 1-2mm, 20% fibrous with mud holding roots together
* distinct contact | 34-53 cm | Organic Mud Brownish black (5YR 2/1) to black (N1) Compressed, spongy, organic material with 1% ² 0.5mm, 99% fibrous Visible roots, spongy texture decreases and % mud increases toward bottom
* gradational contact | 53-73 cm | Mud Grayish black (N2) and med. dark gray (N4) to med. light gray (N6) 2cm root trace (or burrow) protrudes through to 57cm and resembles organic spongy texture of above section. 57-68.5cm and around above feature, common mottled (some grayish black (N2)) mudÐ bioturbation Section becomes slightly more mottled and lighter in color toward bottom Roots: ² 0.5mm (random)
* gradational contact
* at 73cm ~1mm in thickness Ð light olive (10Y5/4) oxidized layer (looks like algal mat) | 73-81 cm | Mud Med. gray (N5) and med. light gray (N6) Below light olive layer there is a small lens of light olive (10YR 5/4) organic remains on left side of core Color darkens and becomes more olive gray (5Y 4/1) toward bottom | | « Caplen Profile M-N | Port Neches Core BH-00-02 » |