Feature ID | Type of Feature | Trench | Location (Vertical Grid Line) (m) | Width (mm)* | Minimum Width (mm) | Maximum Width (mm) | Height/Thickness (Maximum Height) (mm) | Observations |
---|---|---|---|---|---|---|---|---|
1 | Recent sand blow (L1)/Dike?? | HWK 6W | 7.2 | Does not reach the surface at this location but does along strike. Irregular shape between a dike and a sand blow | ||||
8 | Recent sand blow (L1) | HWK 6W | 20.5 | 2.1 | 100 | Along same fissure as sand blow 20 | ||
18 | Recent sand blow (L1) | HWK 6E | 18 | 1.1 | 50 | Grain-size sample T6-GS4 | ||
20 | Recent sand blow (L1) | HWK 6E | 22.8 | 0.5 | 100 | Along same fissure as sand blow 8 | ||
21 | Recent sand blow (L1) | HWK 5W | 3.5 | 3.9 | 130 | Same fissure as sand blow 24 | ||
24 | Recent sand blow (L1) | HWK 5E | 3.5 | 3.4 | 200 | Same fissure as sand blow 21 | ||
31 | Recent sand blow (L1) | HWK 3W | 1.3 | 4 | 240 | Trench does not expose the entire sand blow width; real measure is 3+ | ||
36 | Recent sand blow (L1) | HWK 3E | 0.75 | 5 | 350 | Trench does not expose the entire sand blow width; real measure is 4.4+ | ||
38 | Recent sand blow (L1) | HWK 1W | 2.5 | 2.8 | 180 | Width measure with log and photos (only logged 2 m) | ||
41 | Recent sand blow (L1) | MAR 1NE | 4 | 11 | 200 | Whole width was not exposed; from aerial photo, it could be up to 15 m | ||
43 | Recent sand blow (L1) | MAR 1SW | 4.5 | 8 | 200 | |||
44 | Recent sand blow (L1) | MAR 3W | 0.5 | 4 | 200 | |||
16 | Paleosand blow (L2) | HWK 6E | 13 | 1.5 | 300 | Sand blow is eroded on the top so height is minimum; the preserved sand blow was probably the injection of the sand into tree roots | ||
4 | Dike (L1) | HWK 6W | 13.5 | 20 | 20 | 60 | This is also dike 11 on opposite wall | |
6 | Dike (L1) | HWK 6W | 13.9 | 80 | 0 | 100 | ||
7 | Dike (L1) | HWK 6W | 15.1 | 20 | 0 | 60 | ||
9 | Dike (L1) | HWK 6W | 20.5 | 20 | 0 | 30 | ||
10 | Dike (L1) | HWK 6E | 12.5 | 5 | 7 | 8 | Could be same as dike 11, but they do not connect in this cross section; this is also dike 4 on opposite wall | |
11 | Dike (L1) | HWK 6E | 12.7 | 3 | 2 | 5 | Could be same as dike 10, but they do not connect in this cross section; is injected in same location as paleodike 12 | |
17 | Dike (L1) | HWK 6E | 17.7 | 3.5 | 3 | 5 | Grain-size sample T6-GS3 | |
19 | Dike (L1) | HWK 6E | 22.4 | 4 | 4 | 45 | ||
22 | Dike (L1) | HWK 5W | 4.9 | 6 | 2 | 25 | ||
23 | Dike (L1) | HWK 5W | 3.3 | 20 | 2 | 40 | Grain-size samples HWK 5_GS1 to GS8; this is dike 25 on opposite wall | |
25 | Dike (L1) | HWK 5E | 3.25 | 20 | 10 | 30 | This is dike 23 on opposite wall | |
26 | Dike (L1) | HWK 4bW | 2.5 | 150 | 0 | 300 | Extends from vertical 1 to vertical 6. At 2.5, splays into two: the upper one injects into the blister (strike and dip on the upper one) | |
29 | Dike (L1) | HWK 4bE | 4.5 | 80 | 60 | 140 | No log (information from field and photographs); dike from blister to surface | |
30 | Dike (L1) | HWK 3W | 1 | 30 | 20 | 70 | Strike not measured in the field and hard to assign to a lineament on aerial photo | |
32 | Dike (L1) | HWK 3E | 0.3 | 70 | 80 | 100 | ||
33 | Dike (L1) | HWK 3E | 1.3 | 80 | 70 | 90 | ||
34 | Dike (L1) | HWK 3E | 1.6 | 50 | 10 | 60 | ||
37 | Dike (L1) | HWK 1W | 2.4 | 20 | 10 | 50 | ||
39 | Dike (L1) | MAR 1E | 4.4 | 20 | 10 | 25 | ||
40 | Dike (L1) | MAR 1NE | 4 | 5 | 0 | 10 | ||
42 | Dike (L1) | MAR 1SW | 4.2 | 6 | 0 | 8 | ||
45 | Dike (L1) | MAR 3W | 1.1 | 10 | 0 | 100 | ||
46 | Dike (L1) | MAR 3W | 1 to −1.2 | 30 | 0 | 40 | On horizontal line 0.4 | |
47 | Dike (L1) | MAR 3W | 0a–0.75 | 30 | 10 | 60 | ||
48 | Dike (L1) | MAR 3W | −0.8 | 10 | 10 | 20 | ||
49 | Dike (L1) | (MAR 3W-)MAR 3N | 0 | 50 | 0 | 100 | ||
58 | Dike (L1) | MAR 3E | 1.15 | 5 | 0 | 10 | Same as 45 | |
61 | Dike (L1) | MAR 4E | 2.1 | 10 | 0 | 20 | ||
59 | Dike (L1) –fault | MAR 4E | 2.3 | 40 | 10 | 70 | ||
60 | Dike (L1) –fault | MAR 4E | 2.6 | 15 | 10 | 20 | ||
60a | Dike (L1) –fault | MAR 4E | 2.6 | 20 | 0 | 30 | ||
60b | Dike (L1) –fault | MAR 4E | 2.65 | 10 | 0 | 10 | ||
60d | Dike (L1)–fault | MAR 4E | 2.65 | 10 | 0 | 10 | Splays into two | |
60c | Fault | MAR 4E | 2.7 | – | – | – | ||
35 | Dike (L1)–sill | HWK 3E | 0.75 | 180 | 150 | 240 | ||
62 | Dike (L1)–sill | MAR 4E | 2 | 5 | 5 | 10 | From subvertical (59) to parallel to silt layer | |
27 | Blister | HWK 4bE | 4.5 | 3 | 0 | 150 | Same as 28; the mound on the ground is 4.5 m wide and 100 mm high | |
28 | Blister | HWK 4bW | 4.5 | ? | 0 | 240 | Same as 27; no log (information from field and photo) | |
63 | Blister | MAR 4E | 3 | 200 | 150 | 250 | Mound is 3 m wide and 25 cm high; associated with 64; dike becomes subhorizontal into the blister | |
64 | Blister | MAR 4E | 2.1 | 120 | 20 | 200 | Mound is 3 m wide and 25 cm high; associated with 64; dike becomes subhorizontal into the blister | |
2 | Paleodike (L2) | HWK 6W | 10.6 | 70 | 0 | 100 | – | Dike stops within unit 31 |
3 | Paleodike (L2) | HWK 6W | 10.9 | 40 | 0 | 800 | Dike stops at top unit 31 | |
5 | Paleodike (L2) | HWK 6W | 13 | 100 | 10 | 600 | This dike is also dike 12 on opposite wall | |
12 | Paleodike (L2) | HWK 6E | 12.7 | 10 | – | – | Is injected in same location as dike 11; this dike is also dike 5 on opposite wall | |
13 | Paleodike (L2) | HWK 6E | 13.05 | 8 | 5 | 13 | ||
14 | Paleodike (L2) | HWK 6E | 13.08 | 3 | 3 | 3 | ||
15 | Paleodike (L2) | HWK 6E | 13.18 | 30 | 20 | 50 | ||
50 | Paleodike (L2) | (MAR 3W-)MAR 3N | −0.25 | 40 | 0 | 50 | Horizontal 0.75 | |
51 | Paleodike (L2) | MAR 3N | 0.5 | 25 | 0 | 40 | ||
52 | Paleodike (L2) | MAR 3N | 0.75 | 15 | 0 | 30 | ||
53 | Paleodike (L2) | MAR 3E | −0.3 | 10 | 0 | 30 | ||
54 | Paleodike (L2) | MAR 3N | 0.4 | 10 | 10 | 20 | ||
55 | Paleodike (L2) | MAR 3N | 0.5 | 40 | 20 | 40 | ||
56 | Paleodike (L2) | MAR 3N | 0.2 | 20 | 0 | 40 | ||
35 | Paleodike–sill (L2) | MAR 3E | 0.6 | 20 | 0 | 40 |
* Average for dikes (mm); blisters and sand blows (mm).
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