Core, section,
interval (cm) |
Depth
(mbsf) |
Age
(Ma) |
Time
period |
Lithology
|
Colors
|
||
---|---|---|---|---|---|---|---|
Chert
|
Porcellanite
|
Limestone
|
|||||
198-1213A- |
|||||||
7R-CC, 0–3 | 57.31–57.34 | 85 | Turonian | Chert and porcellanite | Dusky yellow brown (10YR 2/2) to moderate brown (5YR 4/4) and minor pale yellowish brown (10YR 6/2) | Very pale orange (10YR 8/2) |
|
8R-CC, 9–12 | 66.19–66.22 | 95 | Cenomian | Chert and porcellanite | Dark yellowish orange (10YR 6/6), moderate reddish orange (10R 6/6), moderate reddish brown (10R 4/6), moderate orangish pink (10R 7/4) and pale yellowish orange (10YR 8/6) | Minor: white (N9) |
|
8R-CC, 12–15 | 66.22–66.25 | 95 | Cenomian | Porcellanite and chert | Minor: moderate yellowish brown (10YR 5/4) | Yellowish gray (5Y 8/1) |
|
12R-1, 22–27 | 104.82–104.87 | 103 | Cenomian | Porcellanite and chert | Minor: olive-black (5Y 2/1) | Yellowish gray (5Y 8/1) |
|
12R-1, 36–40 | 104.96–105.00 | 103 | Cenomian | Chert, porcellanite, and limestone (?) | Dark gray (N3) | Yellowish gray (5Y 8/1) | Yellowish gray (5Y 8/1) |
15R-1, 64–67 | 134.04–134.07 | 104 | Cenomian | Porcellanite and chert | Minor: dusky yellowish brown (10YR 2/2) | Light gray (N8) |
|
15R-1, 77–80 | 134.17–134.20 | 104 | Cenomian | Chert and porcellanite | Olive-black (5Y 2/1), minor burrows | Yellowish gray (5Y 8/1) |
|
16R-1, 101–104 | 144.11–144.14 | 105 | Cenomian | Chert and porcellanite | Olive-black (5Y 2/1), minor burrows | Very light gray (N8) and yellowish gray (5Y 8/1) |
|
20R-1, 5–10 | 179.65–179.70 | 106 | Albian | Chert and porcellanite | Moderate brown (5YR 4/4), with minor porcellanite filled burrows | Yellowish gray (5Y 8/1) |
|
21R-1, 36–40 | 189.66–189.70 | 115 | Albian | Chert and porcellanite | Moderate brown (5YR 4/4), with minor porcellanite filled burrows | Yellowish gray (5Y 8/1) |
|
198-1213B- |
|||||||
1R-1, 28–30 | 189.98–190.00 | 105 | Albian | Chert | Moderate brown (5YR 4/4) and pale yellowish brown (10YR 6/2) |
|
|
1R-1, 52–54 | 190.22–190.24 | 105 | Albian | Chert | Moderate brown (5YR 4/4), minor moderate reddish brown (10R 4/6), minor blackish red (5R 2/2) |
|
|
1R-1, 57–59 | 190.27–190.29 | 105 | Albian | Chert | Moderate reddish brown (10R 4/6), minor moderate orange pink (10R 7/4) |
|
|
2R-1, 2–4 | 199.32–199.34 | 108 | Albian | Chert and porcellantie | Dark reddish brown (10R 3/4) | Very pale orange (10YR 8/2) |
|
2R-1, 29–30 | 199.59–199.60 | 108 | Albian | Chert and porcellanite | Mostly dark reddish brown (10R 3/4), minor moderate reddish brown (10R 4/6) | Minor: moderate orange pink (5YR 8/4) on edge |
|
2R-1, 59–61 | 199.89–199.91 | 108 | Albian | Chert | Moderate reddish brown (10R 4/6), minor moderate reddish orange (10R 6/6) in burrows |
|
|
3R-1, 41–43 | 209.31–209.33 | 115 | Albian | Chert and porcellanite | Dark reddish brown (10R 3/4), minor moderate reddish orange (10R 6/6) | Very pale orange (10YR 8/2) |
|
3R-1, 53–55 | 209.43–209.45 | 115 | Albian | Chert and porcellanite | Moderate reddish brown (10R 4/6) and moderate brown (5YR 4/4), with black (N1) laminations | Minor: moderate orange pink (5YR 8/4) |
|
3R-1, 73–75 | 209.63–209.65 | 115 | Albian | Chert and porcellanite | Moderate brown (5YR 3/4) with patches of moderate reddish brown (10R 4/6) | Moderate orange pink (10R 7/4) and pale red (10R 6/2) in few burrows, very pale orange (10YR 8/2) and moderate orange pink (5YR 8/4) porcellanite on edges |
|
4R-2, 2–3 | 220.12–220.13 | 117 | Albian | Porcellanite | Mostly moderate yellowish brown (10YR 5/4) with minor light brown (5YR 6/4) laminations (?) |
|
|
4R-2, 6–8 | 220.16–220.18 | 117 | Albian | Porcellanite | Mostly moderate yellowish brown (10YR 5/4) |
|
|
4R-1, 34–36 | 219.94–219.96 | 117 | Albian | Porcellanite |
|
Mostly moderate orange pink (5YR 8/4) and minor pale yellowish brown (10YR 6/2) |
|
4R-2, 70–72 | 220.80–220.82 | 117 | Albian | Chert and porcellanite | Mostly dusky brown (5YR 2/2) with moderate brown (5YR 4/4) and moderate reddish brown (10R 4/6) laminations | Minor: grayish pink (5R 8/2) and grayish orange (10YR 7/4) |
|
4R-1, 90–92 | 219.50–219.52 | 117 | Albian | Chert and porcellanite | Dusky brown (5YR 2/2), minor moderate brown (5YR 3/4) | Minor: very pale orange (10YR 8/2) |
|
4R-1, 106–108 | 219.66–219.68 | 117 | Albian | Chert and porcellanite | Dusky brown (5YR 2/2) and minor moderate brown (5YR 3/4) | Very pale orange (10YR 8/2) |
|
5R-1, 10–12 | 228.40–228.42 | 118 | Albian | Chert and porcellanite | Minor: dusky brown (5YR 2/2) | Mostly grayish orange (10YR 7/4), moderate orange pink (5YR 8/4), and pale yellowish brown (10YR 6/2) |
|
7R-1, 59–61 | 247.89–247.91 | 119 | Aptian | Chert and porcellanite | Dusky brown (5YR 2/2) |
|
|
7R-1, 97–99 | 248.27–248.29 | 119 | Aptian | Porcellanite |
|
Very pale orange (10YR 8/2) |
|
9R-1, 56–58 | 266.96–266.98 | 127 | Hauterivian | Limestone |
|
|
Very light gray (N8) to white (N9) |
9R-1, 59–61 | 266.99–267.01 | 127 | Hauterivian | Chert and porcellanite | Medium dark gray (N4) to medium gray (N5), minor light gray (N7) | Minor: white (N9) |
|
9R-1, 105–107 | 267.45–267.47 | 127 | Hauterivian | Chert and porcellanite | Moderate brown (5YR 4/4) with minor grayish orange (10YR 7/4) in burrows | Yellowish gray (5Y 8/1) on edge |
|
9R-1, 124–127 | 267.64–267.67 | 127 | Hauterivian | Chert and porcellanite | Moderate yellowish brown (10YR 6/2) with very pale orange (10YR 8/2) in burrows | Edge: white (N9) |
|
10R-1, 8–10 | 275.98–276.00 | 128 | Hauterivian | Limestone |
|
|
Yellowish gray (5Y 8/1) |
10R-1, 23–25 | 276.13–276.15 | 128 | Hauterivian | Porcellanite and chert | Minor flecks: dark gray (N3) | Yellowish gray (5Y 8/1) (? or limestone) |
|
10R-1, 49–50 | 276.39–276.40 | 128 | Hauterivian | Chert and porcellanite | Medium dark gray (N4), medium gray (N5), very light gray (N8) | Very light gray (N8), minor very light gray (N8) |
|
11R-1, 26–28 | 285.46–285.48 | 130 | Hauterivian | Chert and porcellanite | Medium gray (N5) with pinkish gray (5YR 8/1) in burrows | Edge: minor yellowish gray (5Y 8/1) |
|
11R-1, 35–38 | 285.55–285.58 | 130 | Hauterivian | Chert and porcellanite | Medium dark gray (N4) and light gray (N7) burrow mottled | Edge: very light gray (N8) |
|
11R-1, 62–64 | 285.82–285.84 | 130 | Hauterivian | Limestone |
|
|
Light greenish gray (5GY 8/1) |
14R-1, 46–48 | 314.56–314.58 | 132 | Valanginian | Chert and porcellanite/chalk(?) | Medium dark gray (N4), medium gray (N5) and medium light gray (N6) | Edge: yellowish gray (5Y 8/1) |
|
14R-1, 49–51 | 314.59–314.61 | 132 | Valanginian | Limestone |
|
|
White (N9) to yellowish gray (5Y 8/1) |
14R-1, 105–107 | 315.15–315.17 | 132 | Valanginian | Chert and porcellanite | Medium gray (N6) and medium light gray (N6), with yellowish gray (5Y 8/1) in burrows | Edge: yellowish gray (5Y 8/1) |
|
15R-1, 22–24 | 324.02–324.04 | 135 | Valanginian | Limestone |
|
|
Yellowish gray (5Y 8/1) |
15R-1, 39–43 | 324.19–324.23 | 135 | Valanginian | Chert | Very light gray (N8), medium gray (N5) and medium light gray (N6), minor pale yellowish brown (10YR 6/2) |
|
|
15R-1, 71–74 | 324.51–324.54 | 135 | Valanginian | Chert | Medium light gray (N6), light gray (N7) and very light gray (N8) chert, laminations, burrows |
|
|
19R-1, 19–21 | 362.39–362.41 | 137 | Berriasian | Limestone |
|
|
Yellowish gray (5Y 8/1), light olive-gray (5Y 6/1) and olive-gray (5Y 4/1) |
19R-1, 59–63 | 362.79–362.83 | 137 | Berriasian | Chert | Olive-black (5Y 2/1), olive-gray (5Y 4/1), and light olive-gray (5Y 6/1) |
|
|
19R-1, 96–99 | 363.16–363.19 | 137 | Berriasian | Chert and porcellanite | Brownish black (5YR 2/1) | Yellowish gray (5Y 8/1) |
|
19R-1, 103–105 | 363.23–363.25 | 137 | Berriasian | Limestone |
|
|
Yellowish gray (5Y 7/2), minor light olive-gray (5Y 5/2) |
20R-1, 21–23 | 372.01–372.03 | 137 | Berriasian | Limestone |
|
|
Light olive-gray (5Y 5/2) |
20R-1, 37–40 | 372.17–372.20 | 138 | Berriasian | Limestone |
|
|
Light olive-gray (5Y 5/2) and yellowish gray (5Y 7/2) laminations, partially salicified limestone(?): olive-gray (5Y 3/2) and light gray (5Y 5/2) laminations and burrow mottling |
20R-1, 85–89 | 372.65–372.69 | 137 | Berriasian | Chert and porcellanite/chalk(?) | Light olive-gray (5Y 6/1) with very minor olive-gray (5Y 4/1) | Minor: yellowish gray (5Y 8/1) |
|
21R-1, 31–33 | 381.71–381.73 | 137 | Berriasian | Limestone |
|
|
Pale olive (10Y 6/2), yellowish gray (5Y 7/2), and light olive-gray (5Y 5/2) laminations |
21R-1, 38–42 | 381.78–381.82 | 137 | Berriasian | Chert and porcellanite | Light olive-gray (5Y 6/1), olive-gray (5Y 4/1), minor olive-black (5Y 2/1) burrow mottling | Yellowish gray (5Y 8/1) |
|
21R-1, 94–96 | 382.34–382.36 | 137 | Berriasian | Chert | Light gray (N7) to medium light gray (N6) minor dark gray (N3), burrow mottling |
|
|
22R-1, 38–42 | 391.48–391.52 | 138 | Berriasian | Limestone |
|
|
Greenish gray (5GY 6/1) and yellowish gray (5Y 7/2) laminations |
22R-1, 63–65 | 391.73–391.75 | 138 | Berriasian | Limestone |
|
|
Yellowish gray (5Y 7/2) and light olive-gray (5Y 5/2) and pale olive (10Y 6/2), slight lamination |
22R-1, 120–125 | 392.30–392.35 | 138 | Berriasian | Chert and limestone | Medium gray (N5) to light gray (N7), dark gray (N3) laminations |
|
Minor: white (N9) in burrows |
23R-1, 58–60 | 401.28–401.30 | 139 | Berriasian | Limestone |
|
|
Grayish olive (10Y 4/2) to pale olive (10Y 6/2) |
23R-1, 69–71 | 401.39–401.41 | 139 | Berriasian | Limestone |
|
|
Grayish olive (10Y 4/2) to pale olive (10Y 6/2) |
23R-1, 62–64 | 401.32–401.34 | 139 | Berriasian | Limestone |
|
|
Grayish olive (10Y 4/2) and pale olive (10Y 6/2) |
23R-1, 66–68 | 401.36–401.38 | 139 | Berriasian | Limestone |
|
|
Dark greenish gray (5GY 4/1) with minor greenish gray (5GY 6/1) |
23R-1, 74–76 | 401.44–401.46 | 139 | Berriasian | Chert and porcellanite | Olive-gray (5Y 4/1), medium gray (N5), minor dark gray (N3) chert, yellowish gray (5Y 8/1) | Minor: dark yellowish orange (10YR 6/6) |
|
23R-1, 91–93 | 401.61–401.63 | 139 | Berriasian | Limestone |
|
|
Grayish yellow-green (5GY 7/2) to dusky yellow-green (5GY 5/2) |
23R-1, 100–104 | 401.70–401.74 | 139 | Berriasian | Chert and porcellanite | Olive-gray (5Y 4/1), light olive-gray (5Y6/1), olive-black (5Y 2/1), minor: greenish gray (5GY 4/1), burrow mottling | Yellowish gray (5Y 7/2) |
|
24R-1, 11–13 | 410.41–410.43 | 140 | Berriasian | Chert and porcellanite | Light olive-gray (5Y 6/1), light gray (N7), and medium dark gray (N4), burrow mottling chert | Pinkish gray (5YR 8/1) |
|
24R-1, 15–17 | 410.45–410.47 | 140 | Berriasian | Limestone |
|
|
Light greenish gray (5GY 8/1) minor light olive-gray (5Y 6/1) and dark greenish gray (5GY 4/1) |
24R-1, 119–121 | 411.49–411.51 | 140 | Berriasian | Chert and limestone | Moderate brown (5YR 3/4) and dark yellowish brown (10YR 4/2), minor grayish green (10GY 5/2) and dusky yellowish green (10GY 3/2) |
|
Pale yellowish green (10GY 7/2) |
25R-1, 22–26 | 420.12–420.16 | 141 | Berriasian | Limestone |
|
|
Pale olive (10Y 6/2), light greenish gray (5GY 8/1) and minor grayish olive (10Y 4/2) |
25R-1, 42–45 | 420.32–420.35 | 141 | Berriasian | Chert and limestone | Grayish green (10GY 5/2) to dusky yellow-green (5GY 5/2), minor moderate yellowish brown (10YR 5/4) and dusky yellowish green (10GY 3/2) |
|
Pale olive (10Y 6/2) |
25R-1, 49–53 | 420.39–420.43 | 141 | Berriasian | Chert | Moderate yellowish brown (10YR 5/4) burrow mottled, greenish gray (5G Y6/1), and grayish green (10GY 5/2) |
|
|
25R-1, 70–76 | 420.60–420.66 | 141 | Berriasian | Chert | Medium bluish gray (5B 8/1), grayish blue (5PB 5/2), and pale yellowish brown (10YR 6/2), burrow mottling(?), minor dusky yellow green (5GY 5/2) to greenish gray (10GY 5/2) |
|
|
26R-1, 18–21 | 429.28–429.31 | 142 | Berriasian | Chert and porcellanite | Light olive-gray (5Y 5/2) and minor moderate yellowish brown (10YR 5/4) and dusky yellowish brown (10YR 2/2) chert | Edge: light greenish gray (5GY 8/1) |
|
26R-1, 53–55 | 429.63–429.65 | 142 | Berriasian | Chert and porcellanite | Dark reddish brown (10R 3/4), minor very dusky red (10R 2/2) | Moderate orange-pink (5YR 8/4) |
|
26R-1, 66–70 | 429.76–429.80 | 142 | Berriasian | Chert | Moderate yellowish brown (10YR 5/4) with minor moderate reddish orange (10YR 6/6), moderate red (5R4/6) and very pale orange (10YR 8/2) |
|
|
27R-1, 26–29 | 438.86–438.89 | 144 | Berriasian | Limestone |
|
|
Moderate brown (5YR 4/4) |
27R-1, 40–42 | 439.00–439.02 | 144 | Berriasian | Chert | Dusky yellowish brown (10YR 2/2), moderate brown (5YR 4/4), and moderate reddish orange (10R 6/6) chert, pale red (10R 6/2) chert in burrows |
|
|
27R-1, 50–53 | 439.10–439.30 | 144 | Berriasian | Chert | Moderate reddish brown (10R 4/6) chert, with grayish green (10GY 5/2), pale yellowish green (10GY 7/2) fine laminations fine greenish black (5GY 2/1) in crosscutting boundary |
|
|
27R-1, 78–82 | 439.38–439.42 | 144 | Berriasian | Chert | Light brown (5YR 5/6), to grayish brown (5YR 3/2), to dusky brown (5YR 2/2) |
|
|
198-1214A- |
|||||||
14R-1, 20–26 | 120.60–120.66 | 107 | Albian | Porcellanite |
|
Yellowish gray (5Y 8/1) with dark gray (N3) specks |
|
14R-1, 53–56 | 120.93–120.96 | 107 | Albian | Chert and porcellanite | Olive-gray (5Y 4/1) | Yellowish gray (5Y 8/1), minor light gray (5Y 6/1) |
|
14R-1, 97–100 | 121.37–121.40 | 107 | Albian | Chert and porcellanite | Grayish brown (5YR 3/2) | Yellowish gray (5Y 8/1) on edge |
|
16R-1, 17–19 | 139.87–139.89 | 109 | Albian | Chert and porcellanite | Grayish brown (5YR 3/2) to moderate brown (5YR 3/4) with light gray (N7) to white (N9) burrow mottling, | Edge: light gray (N7) to white (N9) |
|
16R-1, 80–83 | 140.50–140.53 | 109 | Albian | Chert and porcellanite | Dusky brown (5YR 2/2), pale yellowish brown (10YR 6/2) | Pinkish gray (5YR 8/1) |
|
198-1207B- |
|||||||
40R-CC, 17–20 | 526.67–526.70 | 118 | Aptian | Limestone |
|
|
Yellowish gray (5Y 7/2) to light olive-gray (5Y 5/2) |
40R-CC, 20–22 | 526.70–526.72 | 118 | Aptian | Chert and limestone | Medium light gray (N6) to medium gray (N5) |
|
Yellowish gray (5Y 7/2) |
42R-CC, 40–42 | 546.20–546.22 | 120 | Aptian | Chert and limestone | Minor: moderate brown (5YR 3/4) |
|
Yellowish gray (5Y 7/2) |
42R-CC, 44–48 | 546.24–546.28 | 120 | Aptian | Chert | moderate brown (5YR 3/4) and moderate brown (5YR 4/4) |
|
|
46R-2, 7–10 | 585.77–585.80 | 122 | Barremian | Chert and porcellanite | Pale yellowish brown (10YR 6/2) and dark yellowish brown (10YR 4/2), (with cross-hatching) chert, dusky yellowish brown (10YR 2/2) chert on edges |
|
|
46R-1, 134–137 | 585.54–585.57 | 122 | Barremian | Chert | Medium gray (N6) chert and very light gray (N8) and dark gray (N3) in burrows |
|
|
46R-1, 141–144 | 585.61–585.64 | 122 | Barremian | Chert | Light olive-gray (5Y 6/1) and olive-black (5Y 2/1) |
|
|
46R-1, 146–149 | 585.66–585.69 | 122 | Barremian | Porcellanite |
|
Yellowish gray (5Y 8/1) and light olive-gray (5Y 6/1) |
|
47R-2, 39–42 | 595.59–595.62 | 124 | Barremian | Chert | Olive-black (5Y 2/1), light olive-gray (5Y 6/1) |
|
|
47R-2, 75–79 | 596.95–595.99 | 124 | Barremian | Porcellanite |
|
Yellowish gray (5Y 8/1) and light olive-gray (5Y 6/1) |
|
49R-1, 101–108 | 614.21–614.28 | 125 | Barremian | Porcellanite |
|
Olive-gray (5Y 4/1), light olive-gray (5Y 6/1), and yellowish gray (5Y 8/1) |
|
49R-1, 142–145 | 614.62–614.65 | 125 | Barremian | Chert | Olive-black (5Y 2/1), minor light olive-gray (5Y 6/1) |
|
|
Notes: Color according to the GSA rock color chart (Rock-Color Chart Committee, 1991). Ages from Bralower et al. (2002), modified according to the revised biostratigraphic data (Bown, this volume).