Citation:

dsdp.proc.77.110.1984

Name: (Table 1) Petrographic descriptions grouped by age and lithostratigraphic unit at DSDP Leg 77 Holes
Published: 1984
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Deep Sea Drilling Project (DSDP)

Coverage:

Median Latitude: 23.795333 * Median Longitude: -84.684167 * South-bound Latitude: 23.708000 * West-bound Longitude: -85.165500 * North-bound Latitude: 23.849200 * East-bound Longitude: -84.370800

Date/Time Start: 1980-12-29T00:00:00 * Date/Time End: 1981-01-19T00:00:00

Minimum Elevation: -3450.0 m * Maximum Elevation: -2742.0 m

Event(s):

77-535 * Latitude: 23.708000 * Longitude: -84.516200 * Date/Time: 1980-12-29T00:00:00 * Elevation: -3450.0 m * Penetration: 714 m * Recovery: 504.6 m * Location: Gulf of Mexico/BASIN * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 78 cores; 704.5 m cored; 9.5 m drilled; 71.6 % recovery

77-538A * Latitude: 23.849200 * Longitude: -85.165500 * Date/Time: 1981-01-14T00:00:00 * Elevation: -2742.0 m * Penetration: 332.5 m * Recovery: 137.6 m * Location: Gulf of Mexico/KNOLL * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 36 cores; 332.5 m cored; 0 m drilled; 41.4 % recovery

77-540 * Latitude: 23.828800 * Longitude: -84.370800 * Date/Time: 1981-01-19T00:00:00 * Elevation: -2926.0 m * Penetration: 745.5 m * Recovery: 335.1 m * Location: Gulf of Mexico * Campaign: * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 79 cores; 745.5 m cored; 0 m drilled; 44.9 % recovery

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Elevation of event	Elevation	m
5	Sample code/label	Sample label		Patton, J W	DSDP/ODP/IODP sample designation
6	Sample, optional label/labor no	Lab no		Patton, J W
7	Piece	Piece		Patton, J W
8	Epoch	Epoch		Patton, J W
9	Lithologic unit/sequence	Unit		Patton, J W
10	Description	Description		Patton, J W		The abbreviations MS, WS, and PS refer to the textural carbonate classification (mudstone, wackestone, and packstone) of Dunham (1962)
11	Description 2 (continued)	Description 2		Patton, J W

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

229 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Sample label	6 Lab no	7 Piece	8 Epoch	9 Unit	10 Description	11 Description 2
77-538A	23.8492	-85.1655	-2742	77-538A-16-5,21-27	27		late Eocene	II	Siliceous lime WS, poorly laminated, with abundant, slightly to completely dissolved radiolarians and diatoms; matrix strongly compacted but siliceous organisms uncrushed; no molds are silica filled.
77-540	23.8288	-84.3708	-2926	77-540-37-1,44-53	28		early Cenomanian	Uppermost IV	Laminated lime MS, 5Y 7/1 (Sample 28) to 5Y 5/1-6/1 (Sample 29); abundant planktonic foraminifers and organic matter in Sample 29; chalcedonic-quartz-filled molds of radiolarians(?)	abundant in a few mm laminae interspersed with rather featureless lime mudstone (micrite); foraminifers empty or barely lined with calcite microspar, and unbroken despite severe compaction of surrounding micrite (especially in Sample 29).
77-540	23.8288	-84.3708	-2926	77-540-37-2,46-55	29		early Cenomanian	Uppermost IV	Laminated lime MS, 5Y 7/1 (Sample 28) to 5Y 5/1-6/1 (Sample 29); abundant planktonic foraminifers and organic matter in Sample 29; chalcedonic-quartz-filled molds of radiolarians(?)	abundant in a few mm laminae interspersed with rather featureless lime mudstone (micrite); foraminifers empty or barely lined with calcite microspar, and unbroken despite severe compaction of surrounding micrite (especially in Sample 29).
77-540	23.8288	-84.3708	-2926	77-540-42-2,27-34	30		latest Albian	Middle of IV	Laminated lime MS as above, but without radiolarians; planktonic foraminifers rare to very abundant (15-20%), empty or filled with dirty-appearing chalcedonic quartz; planktonic foraminifers uncrushed;	smearedout, highly elongate compacted micrite pellets, with length-to-width ratios up to 10:1.
77-540	23.8288	-84.3708	-2926	77-540-43-2,60-60	31		latest Albian	Middle of IV	Laminated lime MS as above, but without radiolarians; planktonic foraminifers rare to very abundant (15-20%), empty or filled with dirty-appearing chalcedonic quartz; planktonic foraminifers uncrushed;	smearedout, highly elongate compacted micrite pellets, with length-to-width ratios up to 10:1.
77-540	23.8288	-84.3708	-2926	77-540-44-2,74-77	32		latest Albian	Middle of IV	Laminated lime MS as above, but without radiolarians; planktonic foraminifers rare to very abundant (15-20%), empty or filled with dirty-appearing chalcedonic quartz; planktonic foraminifers uncrushed;	smearedout, highly elongate compacted micrite pellets, with length-to-width ratios up to 10:1.
77-540	23.8288	-84.3708	-2926	77-540-45-1,50-58	33		latest Albian	Middle of IV	Laminated lime MS as above, but without radiolarians; planktonic foraminifers rare to very abundant (15-20%), empty or filled with dirty-appearing chalcedonic quartz; planktonic foraminifers uncrushed;	smearedout, highly elongate compacted micrite pellets, with length-to-width ratios up to 10:1.
77-540	23.8288	-84.3708	-2926	77-540-45-2,93-100	34		latest Albian	Middle of IV	Laminated lime MS as above, but without radiolarians; planktonic foraminifers rare to very abundant (15-20%), empty or filled with dirty-appearing chalcedonic quartz; planktonic foraminifers uncrushed;	smearedout, highly elongate compacted micrite pellets, with length-to-width ratios up to 10:1.
77-540	23.8288	-84.3708	-2926	77-540-46-1,74-80	35		late Albian	Middle and lower parts of IV	Laminated to streaky laminated WS/PS and (Sample 38) MS, 5Y 4/1 (moderately dark) to 5Y 6/1-7/1 (light), with sparser planktonic foraminifers than above (Samples 29- 34), but relatively abundant uncompacted pellets of micrite;	abundances of pellets correlate crudely with organic carbon contents, S1 and S2; moderately to strongly compacted.
77-540	23.8288	-84.3708	-2926	77-540-47-1,78-84	36		late Albian	Middle and lower parts of IV	Laminated to streaky laminated WS/PS and (Sample 38) MS, 5Y 4/1 (moderately dark) to 5Y 6/1-7/1 (light), with sparser planktonic foraminifers than above (Samples 29- 34), but relatively abundant uncompacted pellets of micrite;	abundances of pellets correlate crudely with organic carbon contents, S1 and S2; moderately to strongly compacted.
77-540	23.8288	-84.3708	-2926	77-540-48-1,138-142	37		late Albian	Middle and lower parts of IV	Laminated to streaky laminated WS/PS and (Sample 38) MS, 5Y 4/1 (moderately dark) to 5Y 6/1-7/1 (light), with sparser planktonic foraminifers than above (Samples 29- 34), but relatively abundant uncompacted pellets of micrite;	abundances of pellets correlate crudely with organic carbon contents, S1 and S2; moderately to strongly compacted.
77-540	23.8288	-84.3708	-2926	77-540-50-2,38-52	38		late Albian	Middle and lower parts of IV	Laminated to streaky laminated WS/PS and (Sample 38) MS, 5Y 4/1 (moderately dark) to 5Y 6/1-7/1 (light), with sparser planktonic foraminifers than above (Samples 29- 34), but relatively abundant uncompacted pellets of micrite;	abundances of pellets correlate crudely with organic carbon contents, S1 and S2; moderately to strongly compacted.
77-540	23.8288	-84.3708	-2926	77-540-63-1,80-86	39		late Albian	Subunit Va	Laminated to streaky laminated WS/PS and (Sample 38) MS, 5Y 4/1 (moderately dark) to 5Y 6/1-7/1 (light), with sparser planktonic foraminifers than above (Samples 29- 34), but relatively abundant uncompacted pellets of micrite;	abundances of pellets correlate crudely with organic carbon contents, S1 and S2; moderately to strongly compacted.
77-535	23.7080	-84.5162	-3450	77-535-31-7,0-14	1		Cenomanian(?)	Upper part of II	Lime MS with sparce calcispheres (Sample 1) and laminated WS/PS with rare phosphate grains and abundant compacted pellets and organic matter (Sample 2); trains and isolated crystals of iron sulfides.
77-535	23.7080	-84.5162	-3450	77-535-35-5,6-20	2		Cenomanian(?)	Upper part of II	Lime MS with sparce calcispheres (Sample 1) and laminated WS/PS with rare phosphate grains and abundant compacted pellets and organic matter (Sample 2); trains and isolated crystals of iron sulfides.
77-535	23.7080	-84.5162	-3450	77-535-42-5,120-130	3		Cenomanian(?)	Near base of II	Lime MS, laminated, dark (5Y 4/1-5/1) with rare phosphate grains and unidentified silt-sized bioclastic debris, as well as common compacted pellets; trace-1% dolomite in 10- 15 µm rhombs.
77-535	23.7080	-84.5162	-3450	77-535-42-5,23-32	4		Cenomanian(?)	Near base of II	Lime MS, laminated, dark (5Y 4/1-5/1) with rare phosphate grains and unidentified silt-sized bioclastic debris, as well as common compacted pellets; trace-1% dolomite in 10- 15 µm rhombs.
77-535	23.7080	-84.5162	-3450	77-535-44-1,80-128	5		Aptian	Upper part of III	Lime MS-WS, like Sample 4 but with abundant compacted pellets; no planktonic foraminifers, traces of silt-sized phosphate grains.
77-535	23.7080	-84.5162	-3450	77-535-50-2,77-96	6		late Hauterivian	Bottom of III	Lime MS-WS (Samples 6 and 7) as above. Sample 8 is lightcolored chert; silicified MS with rare silicified calcispheres and rather abundant grainy organic matter. Sample 9 is very dark (5Y 3/1), organic matter-rich, sulfide-rich MS/WS(?).
77-535	23.7080	-84.5162	-3450	77-535-50-3,27-34	7	a	late Hauterivian	Bottom of III	Lime MS-WS (Samples 6 and 7) as above. Sample 8 is lightcolored chert; silicified MS with rare silicified calcispheres and rather abundant grainy organic matter. Sample 9 is very dark (5Y 3/1), organic matter-rich, sulfide-rich MS/WS(?).
77-535	23.7080	-84.5162	-3450	77-535-50-3,27-34	8	b	late Hauterivian	Bottom of III	Lime MS-WS (Samples 6 and 7) as above. Sample 8 is lightcolored chert; silicified MS with rare silicified calcispheres and rather abundant grainy organic matter. Sample 9 is very dark (5Y 3/1), organic matter-rich, sulfide-rich MS/WS(?).
77-535	23.7080	-84.5162	-3450	77-535-50-3,27-34	9	c	late Hauterivian	Bottom of III	Lime MS-WS (Samples 6 and 7) as above. Sample 8 is lightcolored chert; silicified MS with rare silicified calcispheres and rather abundant grainy organic matter. Sample 9 is very dark (5Y 3/1), organic matter-rich, sulfide-rich MS/WS(?).
77-535	23.7080	-84.5162	-3450	77-535-52-1,69-85	10		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-53-3,0-32	11		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-43-6,53-72	12		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-55-4,51-72	13		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-56-7,73-87	14		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-58-2,103-108	15		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-58-4,3-46	16		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-58-4,19-20	40		early Hauterivian	Upper half of IV	Lime MS-WS for the most part, very evenly laminated, dark to moderately light (5Y 2/1-5Y 6/1), with common to abundant flattened pellets and rare to common (trace- 15%) dolomite in the form of dolomitized burrow(?) fillings and scattered rhombs;	dolomite is microcrystalline to finely crystalline. Sample 16 is calcisphere MS-WS in which calcite spar fills the calcispheres and only slight compaction is apparent; strongly flattened pellets are abundant in the rest; Sample 40 is tar/asphalt.
77-535	23.7080	-84.5162	-3450	77-535-61-1,29-42	17		late Valanginian	Bottom half of IV	Lime MS as above, with common-to-abundant flattened burrows or flattened soft pellets; Sample 21 is like Samples 17-19, and Sample 20 has several percent flattened clay-quartz pellets(?), calcispheres, and unidentified bioclastic grains.
77-535	23.7080	-84.5162	-3450	77-535-63-4,97-115	18		late Valanginian	Bottom half of IV	Lime MS as above, with common-to-abundant flattened burrows or flattened soft pellets; Sample 21 is like Samples 17-19, and Sample 20 has several percent flattened clay-quartz pellets(?), calcispheres, and unidentified bioclastic grains.
77-535	23.7080	-84.5162	-3450	77-535-64-4,60-86	19		late Valanginian	Bottom half of IV	Lime MS as above, with common-to-abundant flattened burrows or flattened soft pellets; Sample 21 is like Samples 17-19, and Sample 20 has several percent flattened clay-quartz pellets(?), calcispheres, and unidentified bioclastic grains.
77-535	23.7080	-84.5162	-3450	77-535-66-2,20-39	20		late Valanginian	Base of IV	Lime MS-WS, well laminated; Sample 20 has abundant flattened burrows or pellets (in Sample 21 they are rare);	Sample 21 is like Samples 17-19, and Sample 20 has several percent flattened clay-quartz pellets(?), calcispheres, and unidentified bioclastic grains.
77-535	23.7080	-84.5162	-3450	77-535-67-2,126-134	21		late Valanginian	Base of IV	Lime MS-WS, well laminated; Sample 20 has abundant flattened burrows or pellets (in Sample 21 they are rare);	Sample 21 is like Samples 17-19, and Sample 20 has several percent flattened clay-quartz pellets(?), calcispheres, and unidentified bioclastic grains.
77-535	23.7080	-84.5162	-3450	77-535-68-5,109-125	22		late Valanginian	Upper part of V	Lime MS, rather poorly laminated and in some centimeters burrowed beds; trace to 2-4% siliciclastic, silt-sized grains (quartz and a little clay)	pellets rare or absent, no planktonic foraminifers, and trace to 15-20% dolomite; dominantly light colored (5Y 7/1-6/1) with interlaminated dark MS (5Y 4/1-3/1).
77-535	23.7080	-84.5162	-3450	77-535-69-5,60-68	23		late Valanginian	Upper part of V	Lime MS, rather poorly laminated and in some centimeters burrowed beds; trace to 2-4% siliciclastic, silt-sized grains (quartz and a little clay)	pellets rare or absent, no planktonic foraminifers, and trace to 15-20% dolomite; dominantly light colored (5Y 7/1-6/1) with interlaminated dark MS (5Y 4/1-3/1).
77-535	23.7080	-84.5162	-3450	77-535-70-3,133-148	24		late Valanginian	Upper part of V	Lime MS, rather poorly laminated and in some centimeters burrowed beds; trace to 2-4% siliciclastic, silt-sized grains (quartz and a little clay)	pellets rare or absent, no planktonic foraminifers, and trace to 15-20% dolomite; dominantly light colored (5Y 7/1-6/1) with interlaminated dark MS (5Y 4/1-3/1).
77-535	23.7080	-84.5162	-3450	77-535-71-3,97-123	25		late Valanginian	Upper part of V	Lime MS, rather poorly laminated and in some centimeters burrowed beds; trace to 2-4% siliciclastic, silt-sized grains (quartz and a little clay)	pellets rare or absent, no planktonic foraminifers, and trace to 15-20% dolomite; dominantly light colored (5Y 7/1-6/1) with interlaminated dark MS (5Y 4/1-3/1).
77-535	23.7080	-84.5162	-3450	77-535-78-1,89-97	26		late Berriasian	V	Lime MS similar to Sample 25; 10-15% dolomite; strongly compacted fabric with rare flattened pellets.