Table T2. Hand specimen descriptions including age, lithology, and color.
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).