Citation:

PANGAEA.762516

Name: Description of lithologic section units of IODP Hole 325-M0042A
Creator: Expedition 325 Scientists
Published: 2011-07-04
License: https://creativecommons.org/licenses/by/3.0/

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Related to:

Webster, Jody M; Yokoyama, Yusuke; Cotterill, Carol; Expedition 325 Scientists (2011): Proceedings of the Integrated Ocean Drilling Program. Tokyo (Integrated Ocean Drilling Program Management International, Inc.), 325, https://doi.org/10.2204/iodp.proc.325.2011

Project(s):

Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)

Coverage:

Latitude: -19.843980 * Longitude: 150.448030

Date/Time Start: 2010-03-06T09:51:00 * Date/Time End: 2010-03-06T09:51:00

Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 44.87 m

Event(s):

325-M0042A (HYD_02ASite2) * Latitude: -19.843980 * Longitude: 150.448030 * Date/Time: 2010-03-06T09:51:00 * Elevation Start: -56.3 m * Elevation End: -50.8 m * Penetration: 46.4 m * Recovery: 10.94 m * Location: Great Barrier Reef, Australia * Campaign: (Great Barrier Reef Environmental Changes) * Basis: Greatship Maya * Method/Device: Drilling/drill rig (DRILL) * Comment: Drilling Depth Methods: DSF: tag sea floor; CSF: let overlap if long; CCSF: let overlap if long. Elevation Start = drill string tagging seabed including predicted tidal variations, Elevation End = corrected EM300 echo sounder data.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Expedition 325 Scientists
2	Lithologic unit/sequence	Unit		Expedition 325 Scientists
3	DEPTH, sediment/rock	Depth sed	m			Geocode
4	Rock type	Rock		Expedition 325 Scientists	Visual description
5	Main Lithology	Main lith		Expedition 325 Scientists	Visual description
6	Lithology/composition/facies	Lithology		Expedition 325 Scientists	Visual description
7	Lithology/composition/facies	Lithology		Expedition 325 Scientists	Visual description	continuation 1
8	Coral	Coral		Expedition 325 Scientists	Visual description
9	Genus	Genus		Expedition 325 Scientists	Visual description
10	Fossils	Fossils		Expedition 325 Scientists	Visual description
11	Core disturbance	Disturbance		Expedition 325 Scientists	Visual description

License:

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

Size:

419 data points

Data

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

1 Sample label	2 Unit	3 Depth sed [m]	4 Rock	5 Main lith	6 Lithology	7 Lithology (continuation 1)	8 Coral	9 Genus	10 Fossils	11 Disturbance
325-M0042A-1R-1,0	1	0.00	Carbonate Sediment	Lime Granules	Lime very fine sand to pebbles. Fragment of seafloor crust with thin coralline algae and worm tubes at the top. Coral fragments: solitary, Fungiidae, packstone fragments, gastropods, large benthic forams. Broken during coring.		Fungiidae; AHERMATYPES/SOLITARY		Coral Fragments; Coral Ahermatypic/Solitary; Coralline Algae Crustose - thin; Foram Benthic (free); Mollusc Undetermined; Mollusc Gastropod; Worm Tube Undetermined
325-M0042A-1R-CC,0	1	0.32	Coral Framework	Boundstone	Lime cobble composed of coralgal boundstone. Branching coral bioeroded by sponges and bivalves. Broken during coring.				Coral Undetermined; Coral Fragments	fractured
325-M0042A-2R-1,0	1	2.00	Carbonate Sediment	Boundstone	Lime pebbles of coralgal boundstone with minor microbialite and internal sediments. The reddish surface might indicate a break in reef growth. Corals: sub massive Porites or Montipora, bioeroded and encrusted by coralline algal crust. Broken during coring			Por. Porites; Acr. Montipora	Coral Submassive; Coral Fragments; Coralline Algae Crustose - thick; Microbialite Undetermined
325-M0042A-2R-CC,0	1	2.18	Coral Framework	Boundstone	Fragments of coralgal boundstone with microbialites. Corals: massive Faviidae (Favia?), Faviidae plocoids, massive Cyphastrea, massive Acropora (base of a branching colony).		Faviidae	Sid. Cyphastrea; Acr. Acropora	Coral Massive; Microbialite Undetermined
325-M0042A-3R-1,0	1	4.00	Coral Framework	Boundstone	Lime pebbles and granules with fragments of coralgal boundstone with minor microbialites and bioerosion. Corals: sub massive Favia, medium branching Acropora, massive Paltygyra? ++ small fragments including Acropora and Porites? Broken during coring.		Faviidae	Por. Porites; Fav. Platygyra; Acr. Acropora	Coral Submassive; Coral Massive; Coral Branching - medium; Coral Fragments; Coralline Algae Crustose - thick; Microbialite Undetermined	fractured
325-M0042A-3R-CC,0	1	4.21	Coral Framework	Boundstone	Coralgal boundstone encrusted by a microbialite. Corals: sub-massive? Faviidae, medium to robust branching Acropora with several borings. Bioerosion by worms, and sponges.		Faviidae	Acr. Acropora	Coral Submassive; Coral Branching - medium; Coral Branching - robust; Coralline Algae Crustose - thin; Microbialite Undetermined; Worm Tube Undetermined
325-M0042A-4R-1,0	1	5.50	Coral Framework	Boundstone	Coralgal/microbialite boundstone. Microbialites alternating with coralline algae, and trapping bioclasts. Stromatolitic microbialites at the top of the crust. Bioerosion by bivalves and sponges.	Corals: medium to robust branching Acropora, pieces of Pocilloporidae including fine branching Seriatopora, Tubipora, encrusting Porites (in situ?), massive Acropora embedded in a microbialite.	Pocilloporidae	Por. Porites; Poc. Seriatopora; Acr. Acropora	Coral Encrusting; Coral Massive; Coral Branching - fine; Coralline Algae Crustose - thin; Coralline Algae Crustose - thick; Microbialite Undetermined; Microbialite Stromatolitic; Mollusc Bivalve
325-M0042A-4R-CC,0	1	6.50	Carbonate Sediment	Boundstone	Lime cobbles and pebbles of coralgal/microbialite boundstone. Coralline algae alternate with microbialite bioerosion.				Coralline Algae Undetermined; Microbialite Undetermined
325-M0042A-5R-1,0	1	7.50	Carbonate Sediment	Boundstone	Fragmented coralgal? microbialite boundstone, mollusc fragments. Corals: encrusting Porites. Broken during drilling.			Por. Porites	Coral Encrusting; Coralline Algae Undetermined; Microbialite Undetermined
325-M0042A-5R-CC,0	1	7.69	Carbonate Sediment	Lime Pebbles	Lime pebbles of coralgal microbialite boundstone. Coral fragments including Montipora or Porites.			Por. Porites; Acr. Montipora	Microbialite Undetermined
325-M0042A-8W-1,0	1	12.20	Carbonate Sediment	Lime Pebbles	Lime pebbles composed of rounded and bioeroded coral fragments: medium branching coral (knob), Porites, Montipora, medium branching Pocillopora, fine branching Seriatopora, medium branching Stylophora,	coralgal boundstone, mollusc fragments, Halimeda, coralline algal crusts and branches. Fresh mollusks indicating downhole contamination.		Por. Porites; Poc. Pocillopora; Poc. Seriatopora; Poc. Stylophora	Coral Undetermined; Coralline Algae Crustose - thick; Coralline Algae Branching; Halimeda; Mollusc Undetermined; Mollusc Gastropod
325-M0042A-8W-2,0	1	12.58	Carbonate Sediment	Lime Granules	Lime pebbles and granules and coarse sand, rich in Halimeda, large benthic forams and coral fragments: fine branching Stylophora?, Porites.			Por. Porites; Poc. Stylophora	Coral Fragments; Halimeda; Foram Benthic (free)
325-M0042A-9R-CC,0	1	12.20	Carbonate Sediment	Lime Pebbles	Lime pebbles and granules of coralgal boundstone, mollusc fragments. Corals: massive Porites, medium branching Porites, medium branching Pocillopora, medium branching Stylophora, medium branching Acropora.			Por. Porites; Poc. Pocillopora; Poc. Stylophora; Acr. Acropora	Coral Massive; Coral Branching - medium; Coralline Algae Crustose - thick; Mollusc Undetermined
325-M0042A-10R-CC,0	1	13.70	Coral Framework	Boundstone	Lime pebbles of coralgal boundstone, Halimeda, fragments of microbialites. Corals: Massive Montipora, massive Montastrea?, medium branching Pocillopora, medium branching Stylophora, massive Platygyra, medium branching Acropora.			Fav. Platygyra; Fav. Montastrea; Poc. Pocillopora; Poc. Stylophora; Acr. Acropora	Coral Massive; Coral Branching - medium; Microbialite Undetermined; Halimeda
325-M0042A-11R-1,0	1	15.20	Carbonate Sediment	Lime Granules	Lime pebbles with fresh mollusc shells, coral fragments including medium branching Pocillopra, medium branching Stylophora, fine branching Seriatopora, medium branching? Acropora, Porites? Downhole contamination.			Por. Porites; Poc. Pocillopora; Poc. Seriatopora; Poc. Stylophora; Acr. Acropora	Coral Branching - fine; Coral Branching - medium; Mollusc Undetermined
325-M0042A-11R-1,13.5	2	15.34	Coral Framework	Boundstone	Massive Isopora (in situ?).			Acr. Isopora	Coral Massive
325-M0042A-11R-1,19	3	15.39	Carbonate Sediment	Rudstone	Grainstone to rudstone with large benthic forams, Halimeda, molluscs fragments, few pieces of fine-branching Seriatopora.			Poc. Seriatopora	Coral Branching - fine; Halimeda; Mollusc Undetermined
325-M0042A-12R-1,0	1	16.70	Carbonate Sediment	Lime Granules	Lime granules containing fresh mollusc shells. Downhole contamination.				Mollusc Undetermined	disturbed
325-M0042A-12R-CC,0	1	16.79	Carbonate Sediment	Lime Granules	Lime sand and granules rich in larger benthic forams. Fragments of the overlying rudstone. Fragments of Pocilloporidae. Broken during coring.		Pocilloporidae		Foram Benthic (free)	fractured
325-M0042A-13R-1,0	1	17.50	Carbonate Sediment	Lime Granules	Downhole contamination with fresh shells. Small fragments of Pocilloporidae, Porites/Montipora.		Pocilloporidae	Por. Porites; Acr. Montipora	Mollusc Undetermined
325-M0042A-13R-1,6.5	2	17.56	Carbonate Sediment	Lime Pebbles	Lime pebbles granules and sand containing coral fragments: sub massive Porites, fine branching Seriatopora, red algae fragments and larger benthic foraminiferas. Contains drilling mud.			Por. Porites; Poc. Seriatopora	Coral Submassive; Coral Branching - fine; Foram Benthic (free)
325-M0042A-13R-CC,0	1	17.95	Carbonate Sediment	Lime Pebbles	Lime pebbles, granules and sands. Coral fragments: sub massive? Porites, Acroporidae, larger benthic forams. Contains drilling mud.		Acroporidae	Por. Porites	Coral Submassive; Coral Fragments; Foram Benthic (free)
325-M0042A-14R-1,0	1	19.00	Carbonate Sediment	Lime Granules	Lime granules containing fragments of Pocilloporidaem Porites or Montipora and Acropora? Downhole contamination.		Pocilloporidae	Por. Porites; Acr. Acropora; Acr. Montipora	Coral Fragments;
325-M0042A-14R-CC,0	1	19.15	Carbonate Sediment	Lime Pebbles	Lime sand and pebbles rich in larger benthic forams, coral fragments: Pocilloporidae, Porites or Montipora, fine branching Acropora. Possible downhole contamination.		Pocilloporidae	Por. Porites; Acr. Acropora; Acr. Montipora	Coral Branching - fine; Coral Fragments; Foram Benthic (free)
325-M0042A-15R-CC,0	1	20.50	Carbonate Sediment	Lime Pebbles	Lime pebbles of coral fragments: Pocilloporidae, Acroporidae, molluscs. Possible downhole contamination.		Poritidae; Pocilloporidae		Coral Fragments; Mollusc Undetermined
325-M0042A-16R-1,0	1	22.00	Carbonate Sediment	Lime Pebbles	Lime pebbles. Coral fragments: Porites or Montipora, fine branching coral. Downhole contamination.			Por. Porites; Acr. Montipora	Coral Branching - fine; Coral Fragments
325-M0042A-16R-CC,0	1	22.12	Carbonate Sediment	Lime Pebbles	Lime pebbles and granules. Coral fragments: Porites or Montipora. Contains drilling mud.			Por. Porites; Acr. Montipora
325-M0042A-17R-1,0	1	23.50	Carbonate Sediment	Lime Pebbles	Lime pebbles including fragments of grainstones rich in larger benthic forams, small bioclasts. High degree of clasts dissolution. Small (<3cm) rhodoliths. Coral fragments are Pocilloporidae, Porites or Montipora. Broken during coring.		Pocilloporidae	Por. Porites; Acr. Montipora	Coral Fragments; Coralline Algae Nodule; Foram Benthic (free)
325-M0042A-17R-CC,0	1	23.75	Carbonate Sediment	Rudstone	Lime pebbles of rudstone. Small (<3cm) rhodoliths. Acroporidae? fragments in the center of a rhodolith? Broken during coring.		Acroporidae		Coralline Algae Nodule	fractured
325-M0042A-18R-1,0	1	25.00	Carbonate Sediment	Lime Pebbles	Coral fragments including Acroporidae?, Porites or Montipora. Downhole contamination.		Acroporidae	Por. Porites; Acr. Montipora
325-M0042A-18R-1,16	2	25.16	Carbonate Sediment	Lime Pebbles	Lime pebbles of rudstone rich in larger benthic forams. Voids of clast dissolution. Very small (<1cm) rhodoliths. Broken during coring.				Coralline Algae Nodule; Foram Benthic (free)	fractured
325-M0042A-18R-CC,0	1	25.28	Carbonate Sediment	Rudstone	Lime pebbles of rudstone with molluscs and rhdoliths (very small). Dissolution of clasts. Altered pieces of coral. Broken during coring.				Coral Fragments; Coralline Algae Nodule; Mollusc Undetermined
325-M0042A-19R-1,0	1	26.50	Carbonate Sediment	Lime Granules	Lime granules containing coral fragments: Pocilloporidae, spiculite. Downhole contamination.		Pocilloporidae; NON-SCLERACTINIA
325-M0042A-19R-1,15.5	2	26.66	Carbonate Sediment	Lime Pebbles	Lime pebbles of rudstone with larger benthic forams.				Foram Benthic (free)
325-M0042A-20R-1,0	1	28.00	Carbonate Sediment	Lime Granules	Lime granules and pebbles. Fresh molluscs. Coral fragments including Acropora and Pocilloporidae. Downhole contamination.		Pocilloporidae	Acr. Acropora	Mollusc Undetermined
325-M0042A-20R-CC,0	1	28.30	Carbonate Sediment	Lime Granules	Lime granules and pebbles. Coral fragments including Pocilloporidae and fine branching Montipora. Downhole contamination.		Pocilloporidae	Acr. Montipora	Coral Branching - fine; Coral Fragments
325-M0042A-21R-1,0	1	29.50	Carbonate Sediment	Lime Pebbles	Downhole contamination. Well-sorted coral fragments (3-8mm) of fine branching Seriatopora, massive Isopora?			Poc. Seriatopora; Acr. Isopora	Coral Massive; Coral Branching - fine; Coral Fragments	disturbed
325-M0042A-21R-1,10	2	29.60	Carbonate Sediment	Rudstone	Fragments of rudstone with larger benthic forams, Halimeda (dissolved) and corals. Aragonitic components are partially dissolved. Coral moulds. Fine branching Acropora? Broken during drilling.			Acr. Acropora	Coral Branching - fine; Coral Fragments; Halimeda; Foram Benthic (free)
325-M0042A-21R-CC,0	1	29.70	Carbonate Sediment	Rudstone	Fragments of rudstone with larger benthic forams, Halimeda, coral and bivalve fragments. Aragonitic components are partly dissolved. Pebbles of massive Isopora?; coral moulds (dissolved). Fine branching Seriatopora. Broken during drilling.			Poc. Seriatopora; Acr. Isopora	Coral Massive; Coral Branching - fine; Coral Fragments; Halimeda; Foram Benthic (free); Mollusc Bivalve
325-M0042A-22R-1,0	1	32.50	Carbonate Sediment	Lime Pebbles	Downhole contamination. Pebbles of massive Isopora?			Acr. Isopora	Coral Massive; Coral Fragments	disturbed
325-M0042A-22R-1,22	2	32.72	Carbonate Sediment	Rudstone	Rudstone rich in larger benthic forams and partially dissolved clasts of Halimeda, molluscs and corals. Corals dissolved. Pebbles of massive Isopora? Broken during drilling.			Acr. Isopora	Coral Massive; Coral Fragments; Halimeda; Foram Benthic (free); Mollusc Undetermined
325-M0042A-22R-CC,0	1	32.78	Carbonate Sediment	Lime Pebbles	Pebbles coated by brown calcite. Caliche or speleothem? Unidentifiable coral fragments (dissolved?). Broken during drilling.				Coral Fragments
325-M0042A-23R-1,0	1	34.00	Carbonate Sediment	Rudstone	Rudstone to grainstone with rhodolith, coral fragments, bivalves, Halimeda, larger benthic forams. Brown staining of paleosols? Dissolution of aragonitic components. Pebbles of massive Isopora (contamination?), massive Isopora?,	fragments of corals most dissolved. Upper part: Broken during drilling.		Acr. Isopora	Coral Massive; Coral Fragments; Coralline Algae Nodule; Halimeda; Foram Benthic (free); Mollusc Bivalve
325-M0042A-23R-CC,0	1	34.47	Carbonate Sediment	Lime Pebbles	Fragments of rudstone to grainstone as in the section above. Massive Isopora? (altered?)			Acr. Isopora	Coral Massive; Coral Fragments; Halimeda; Foram Undetermined; Mollusc Undetermined
325-M0042A-24R-1,0	1	35.20	Carbonate Sediment	Rudstone	Rudstone to grainstone with large rhodoliths (>7cm), Halimeda, corals, larger benthic forams. Dissolution of aragonitic components; brown stains. Corals not identifiable (mainly moulds?)				Coral Fragments; Coralline Algae Nodule; Halimeda; Foram Benthic (free)
325-M0042A-24R-CC,0	1	35.52	Carbonate Sediment	Rudstone	Fragments of rudstone of rhodoliths, larger benthic forams, Halimeda as above. Massive Isopora/ Acropora? Broken by drilling.			Acr. Acropora; Acr. Isopora	Coral Massive; Coral Fragments; Coralline Algae Nodule; Halimeda; Foram Benthic (free)
325-M0042A-25R-1,0	1	36.70	Carbonate Sediment	Rudstone	Rudstone to grainstone with rhodoliths, Halimeda, corals, molluscs, larger benthic forams. Dissolution of aragonitic components; brown stains and paleo-root. Most corals dissolved. A few pieces of fine/ medium branching Pocilloporidae in rhodoliths?		Pocilloporidae		Coral Branching - fine; Coral Branching - medium; Coral Fragments; Coralline Algae Nodule; Halimeda; Foram Benthic (free); Mollusc Undetermined
325-M0042A-25R-CC,0	1	37.29	Carbonate Sediment	Lime Pebbles	Fragments. Lime pebbles of the overlying rudstone. Most corals not identifiable. Medium branching Acropora? Broken during drilling.			Acr. Acropora	Coral Branching - medium; Coral Fragments;
325-M0042A-26R-CC,0	1	38.70	Carbonate Sediment	Lime Pebbles	Lime granules and pebbles. Pebbles of many massive Isopora? (not identifiable). Downhole contamination.			Acr. Isopora	Coral Massive; Coral Fragments	disturbed
325-M0042A-26R-CC,9	2	38.79	Carbonate Sediment	Lime Granules	Drilling mud with granules. No visible coral.					disturbed
325-M0042A-27R-1,0	1	40.20	Carbonate Sediment	Lime Pebbles	Downhole contamination. No recognizable corals.					disturbed
325-M0042A-27R-1,10	2	40.30	Carbonate Sediment	Lime Granules	Drilling mud with granules. No recognizable corals.					disturbed
325-M0042A-27R-CC,0	1	40.45	Carbonate Sediment	Lime Granules	Drilling mud with granules. No recognizable coral.					disturbed
325-M0042A-27R-CC,6	2	40.51	Carbonate Sediment	Rudstone	Rudstone with partly dissolved Halimeda segments, coralline algae, larger benthic forams, molluscs. No coral recognizable.				Coralline Algae Undetermined; Halimeda; Foram Benthic (free); Mollusc Undetermined
325-M0042A-28R-1,0	1	42.20	Carbonate Sediment	Lime Pebbles	Downhole contamination.					disturbed
325-M0042A-28R-1,11	2	42.31	Carbonate Sediment	Rudstone	Rudstone of rhodoliths, corals, molluscs, Halimeda. Dissolved aragonite clasts. Yellow stains. Massive Acroporidae?/ Poritidae?. Encrusted Acroporidae?/ Poritidae? Fragmented during drilling.		Poritidae; Acroporidae		Coral Encrusting; Coral Massive; Coral Fragments; Coralline Algae Nodule; Halimeda; Mollusc Undetermined
325-M0042A-28R-CC,0	1	42.57	Carbonate Sediment	Rudstone	Rudstone with a big fragment of coral and concentrations of Halimeda segments partly dissolved; coralline algae. Massive Acroporidae or Poritidae? (altered?)		Poritidae; Acroporidae		Coral Massive; Coral Fragments; Coralline Algae Undetermined; Halimeda
325-M0042A-29R-1,0	1	44.40	Carbonate Sediment	Rudstone	Shattered rudstone to grainstone as overlying cores. Encrusting? Acroporidae? or Poritidae? Disturbed.		Poritidae; Acroporidae		Coral Encrusting; Coral Fragments; Halimeda; Foram Benthic (free); Mollusc Undetermined	disturbed
325-M0042A-29R-CC,0	1	44.87	Carbonate Sediment	Rudstone	Shattered rudstone to grainstone as overlying cores. No recognizable coral. Broken during drilling.