Citation:

PANGAEA.862080, Supplement to: Lamont-Doherty Earth Observatory (1957): Vema Cruise 12 - Preliminary Megascopic Descriptions of Split Cores. Lamont Geological Observatory, Columbia University, New York, unpublished, 87 pp

Name: Annotated record of the detailed examination of Mn deposits from VEMA 12 Expedition stations
Creator: Shipboard Scientific Party
Published: 1957
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

The cores and dredges described in this report were taken during the VEMA 12 Expedition from December 1956 until August 1957 by the Lamont Geological Observatory, Columbia University from the R/V Vema. A total of 119 cores were recovered and are available at Lamont-Doherty Earth Observatory for sampling and study.

Source:

Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT

Further details:

Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN

Project(s):

NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS)

Coverage:

Median Latitude: 0.861212 * Median Longitude: -50.608091 * South-bound Latitude: -41.230000 * West-bound Longitude: -79.330000 * North-bound Latitude: 34.633000 * East-bound Longitude: 10.667000

Date/Time Start: 1956-12-16T00:00:00 * Date/Time End: 1957-08-15T00:00:00

Minimum DEPTH, sediment/rock: 0.020 m * Maximum DEPTH, sediment/rock: 8.670 m

Event(s):

V12-1 * Latitude: 34.633000 * Longitude: -66.600000 * Date/Time: 1956-12-16T00:00:00 * Elevation: -5207.0 m * Recovery: 12.25 m * Campaign: * Basis: Vema * Method/Device: Piston corer (PC)

V12-14 * Latitude: -23.030000 * Longitude: -29.050000 * Date/Time: 1957-01-24T00:00:00 * Elevation: -5110.0 m * Recovery: 9.1 m * Campaign: * Basis: Vema * Method/Device: Piston corer (PC)

V12-19 * Latitude: -29.870000 * Longitude: -36.800000 * Date/Time: 1957-01-29T00:00:00 * Elevation: -2321.0 m * Recovery: 1.81 m * Campaign: * Basis: Vema * Method/Device: Piston corer (PC)

Comment:

From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Lamont-Doherty Earth Observatory
2	Date/Time of event	Date/Time		Lamont-Doherty Earth Observatory
3	Latitude of event	Latitude		Lamont-Doherty Earth Observatory
4	Longitude of event	Longitude		Lamont-Doherty Earth Observatory
5	Elevation of event	Elevation	m	Lamont-Doherty Earth Observatory
6	Sample ID	Sample ID		Lamont-Doherty Earth Observatory
7	DEPTH, sediment/rock	Depth sed	m	Lamont-Doherty Earth Observatory	Geocode
8	Depth, top/min	Depth top	m	Lamont-Doherty Earth Observatory
9	Depth, bottom/max	Depth bot	m	Lamont-Doherty Earth Observatory
10	Position	Position		Lamont-Doherty Earth Observatory
11	Deposit type	Deposit type		Lamont-Doherty Earth Observatory
12	Quantity of deposit	Quantity		Lamont-Doherty Earth Observatory
13	Size	Size		Lamont-Doherty Earth Observatory
14	Substrate type	Substrate		Lamont-Doherty Earth Observatory
15	Sediment type	Sediment		Lamont-Doherty Earth Observatory
16	Comment	Comment		Lamont-Doherty Earth Observatory
17	Description	Description		Lamont-Doherty Earth Observatory

License:

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

Size:

377 data points

Data

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

1 Event	2 Date/Time	3 Latitude	4 Longitude	5 Elevation [m]	6 Sample ID	7 Depth sed [m]	8 Depth top [m]	9 Depth bot [m]	10 Position	11 Deposit type	12 Quantity	13 Size	14 Substrate	15 Sediment	16 Comment	17 Description
V12-101	1957-07-14	10.6830	-65.8300	-479	V12-101-1	4.500	0.00	9.00	In sediment	Mn micronodule	Several			Clay	Olive, poorly sorted, silty clay containing about 10-15% carbonate	Manganese micronodules, micaceous flakes, and glassy non-volcanic materials are evident.
V12-103	1957-07-14	10.6500	-65.7200	-1232	V12-103-1	0.880	0.88	0.88	In sediment	Mn micronodule	Many			Clay	Dark olive soft clay is comprised of about 15-20% carbonate	A thin microlamina of light grey silt, comprised mainly of quartz, with foraminifera and manganese micronodules, at 88 cm.
V12-104	1957-07-14	10.8670	-65.7500	-472	V12-104-1	1.860	0.00	3.72	In sediment	Mn micronodule	Several			Clay	Dark olive unsorted silty foraminiferal clay is comprised of about 60% carbonate	Micronodules and specks of manganese appear throughout.
V12-107	1957-07-15	11.3330	-66.6300	-1079	V12-107-1	4.455	0.00	8.91	In sediment	Mn speck	Many			Clay	Medium to dark olive gray poorly sorted clay	Specks and small patches of manganese are abundant throughout
V12-108	1957-07-16	11.4000	-67.8800	-1717	V12-108-1	1.300	0.00	2.60	In sediment	Mn micronodule	Several			Clay	Tan unsorted foraminiferal clay is comprised of 50-60% carbonate	Manganese is scattered throughout in micronodules and small patches.
V12-109	1957-07-16	11.8000	-68.5500	-1701	V12-109-1	4.705	0.85	8.56	In sediment	Mn micronodule	Many			Clay	Tan, poorly sorted, foraminiferal clay. Burrows filled with darker colored clay are abundant	Micronodules and patches of manganese become more abundant with depth.
V12-111	1957-07-21	11.4670	-75.0700	-1853	V12-111-1	2.285	0.00	4.57	In sediment	Mn micronodule	Several			Clay	Olive gray silty clay	Silt particles, scattered throughout, comprise 15-20% of the total sediment and consist of micaceous flakes, manganese micronodules and quartzfeldspathic materials.
V12-114	1957-07-23	12.1500	-75.0700	-3601	V12-114-1	0.030	0.00	0.06	In sediment	Mn micronodule	Several			Clay	Light brown, unsorted, silty clay	Comprised of 25-30% siltsized particles of angular quartz, micaceous flakes and manganese micronodules.
V12-115	1957-07-23	12.3670	-75.2200	-3691	V12-115-1	0.200	0.00	0.40	In sediment	Mn micronodule	Few			Clay	Tannish-brown, unsorted, sandy, foraminiferal clay	Manganese micronodules are present.
V12-116	1957-07-25	11.2330	-74.3000	-357	V12-116-1	7.925	6.10	9.75	In sediment	Mn micronodule	Several			Clay	Dark greenish-gray clay containing continuous contorted laminae of manganese	Manganese micronodules comprise about 10% of the core
V12-117	1957-07-25	11.2170	-74.7700	-284	V12-117-1	0.520	0.00	1.04	In sediment	Mn micronodule	Several			Clay/volcanic ash	Tannish-gray, poorly sorted clay containing small discontinuous lighter laminations throughout. Overlain by a 1 cm dark irregular lamina of volcanic ash	Manganese micronodule and some micaceous flakes occur
V12-120	1957-07-27	14.3500	-74.9000	-4118	V12-120-1	0.250	0.00	0.50	In sediment	Mn micronodule	Many			Clay	Light brown foraminiferal silty clay becoming darker with depth	Manganese micronodules are common
V12-120	1957-07-27	14.3500	-74.9000	-4118	V12-120-2	1.975	1.58	2.37	In sediment	Mn micronodule	Several			Clay	Brown, unsorted, sandy foraminiferal clay similar to the 10-50 cm. Layer	Manganese micronodules are mixed with the sediment.
V12-121	1957-07-28	15.3000	-74.3200	-4177	V12-121-1	0.750	0.00	1.50	In sediment	Mn micronodule	Several			Clay	Tan foraminiferal clay, abundantly burrowed, composed of 50% carbonate. Light gray burrows containing fine volcanic silt occur at 110 cm	Manganese micronodules are scattered throughout.
V12-1	1956-12-16	34.6330	-66.6000	-5207	V12-1-1	4.850	0.00	9.70	In sediment	Mn micronodule	Few			Clay	Grayish-brown silty clay	Manganese micronodules are present.
V12-1	1956-12-16	34.6330	-66.6000	-5207	V12-1-2	3.300	3.30	3.30	Buried	Mn staining	1	2.5 cm	Rock	Clay	Grayish-brown silty clay	A rock 2 1/2 cm. in diameter occurs at 330 cm
V12-14	1957-01-24	-23.0300	-29.0500	-5110	V12-14-1	4.625	0.15	9.10	Buried	Mn staining	Several		Consolidated volcanic ash	Clay	Variegated brown clay	Porous, friable lumps of altered volcanic ash, containing inclusions, of manganese oxide and occasional pyroxene crystals occur throughout.
V12-19	1957-01-29	-29.8700	-36.8000	-2321	V12-19-1	1.505	1.46	1.55	Buried	Mn staining	Several		Volcanic detritus	Clay	Black to dark rusty brown, dry firm conglomeratic clay	Weathered volcanic detritus with manganese iron oxide is found especially near the top. At contact a distinct manganese oxide layer (about 7 cm. thick) marks a real unconformity with above very light tan foraminiferal clay.
V12-20	1957-01-30	-31.1500	-39.4700	-4667	V12-20-1	0.020	0.00	0.04	Buried	Mn coating	1	0.5 cm diam.	Fossil sponge	Clay	Soft dark gray clay contains patches of concentrated siliceous sponge spicules	Siliceous sponge fossil approximately 50 mm in diameter is coated with manganese dioxide.
V12-20	1957-01-30	-31.1500	-39.4700	-4667	V12-20-2	0.720	0.63	0.81	In sediment	Mn rich layer	1			Clay	Dark bown-black solid layer of manganese dioxide getting patchier near bottom.
V12-22	1957-02-01	-33.7200	-45.2800	-4155	V12-22-1	1.420	0.00	2.84	In sediment	Mn micronodule	Several			Clay	Dark gray clay	Contains 5-10% manganese micronodules
V12-52	1957-04-09	-39.6000	-32.8700	-5015	V12-52-1	0.600	0.60	0.60	Buried	Mn nodule	1			Clay	Variegated brownish-gray and brown clay. Texture is generally slick	Manganese oxide nodule occurs at 60 cm.
V12-52	1957-04-09	-39.6000	-32.8700	-5015	V12-52-2	1.230	1.03	1.43	In sediment	Mn micronodule	Many			Clay	Tan clay, very smooth, homogeneous	Very fine manganese oxide micronodules are highly abundant
V12-54	1957-04-15	-41.2300	-6.1170	-4082	V12-54-1	8.670	8.38	8.96	In sediment	Mn micronodule	Few			Clay/sand	Laminae of white to grayish calcareous clay, which comprise from 40-100% of the sediment, are mixed with laminae of foraminiferal sand	Manganese micronodules are rare
V12-56	1957-04-20	-36.5000	8.1000	-3222	V12-56-1	0.300	0.30	0.30	Buried	Mn crust	1	Large	Pebbel; mudstone	Clay	Tan to light reddish-brown clay	At 30 cm. a large angular pebble with earthy texture and manganese dioxide crust appears to be a reddish-brown shale or mudstone.
V12-65	1957-05-07	-22.9800	8.1000	-4118	V12-65-1	6.850	6.80	6.90	Buried	Mn crust	1		Consolidated sediment	Clay	Very light cream-colored calcareous clay. Some burrows and black specks appear	Contact is very is harp, dips to about 45°, and has a thin coating of manganese oxide. This layer is Neogene in age.
V12-72	1957-05-20	-5.6330	10.6670	-2107	V12-72-1	2.450	0.00	4.90	In sediment	Mn nodule	Few			Clay	Dark brown silty clay becoming fine-grained sandy clay with depth	The silt and sand particles comprise about 20% of the sediment. They consist primarily of rounded grains of feldspar and pyroxene. Manganese micronodules occur as the minor constituent.
V12-73	1957-05-21	-5.9000	9.8830	-3054	V12-73-1	0.885	0.85	0.92	In sediment	Mn rich layer	1			Clay	Dark brown clay
V12-80	1957-06-01	1.7500	-16.0500	-4918	V12-80-1	0.765	0.33	1.20	In sediment	Mn micronodule	Several			Clay	Bluish-gray unsorted sandy foraminiferal clay becomes darker with depth	Foraminifera, comprising 25-35% of the total sediment, are mixed with manganese micronodules, which constitute 5-7%.
V12-85	1957-06-11	-4.1170	-29.1200	-5046	V12-85-1	4.960	2.30	7.62	In sediment	Mn speck	Many			Clay	Dark brown smooth clay	Manganese oxide speckling is very abundant. Burrowing occurs throughout.
V12-93	1957-07-12	12.7670	-63.1700	-1463	V12-93-1	0.575	0.00	1.15	In sediment	Mn micronodule	Several			Clay	Brownish-green silty unsorted clay	Containing about l5-20% manganese micronodules.
V12-93	1957-07-12	12.7670	-63.1700	-1463	V12-93-2	1.425	1.15	1.70	In sediment	Mn micronodule	Several			Sand	Tannish-brown fine to medium grained moderately sorted foraminiferal sand	Containing about 5-10% manganese micronodules
V12-96	1957-07-13	10.4500	-64.6800	-1263	V12-96-1	1.125	0.60	1.65	In sediment	Mn micronodule	Several			Clay	Grayish-olive soft poorly sorted clay with about 2% gypsum crystals. Contorted horizontal laminations of grayer clay occur	Manganese micronodules are present throughout.
V12-97	1957-07-13	10.5830	-65.0700	-869	V12-97-1	2.315	0.00	4.63	In sediment	Mn micronodule	Several			Clay	Variegated brown clay	Manganese micronodules are scattered throughout.
V12-97	1957-07-13	10.5830	-65.0700	-869	V12-97-2	6.365	5.38	7.35	In sediment	Mn micronodule	Several			Clay	Tannish-brown clay	Comprised of about 3-5% carbonate and 3-7% manganese micronodules.
V12-98	1957-07-13	10.7830	-65.1200	-736	V12-98-1	6.200	4.06	8.34	In sediment	Mn micronodule	Few			Clay	Medium to light green porous finely laminated silty clay is comprised of about 60% clay and about 40% silt	A few manganese micronodules occur in the darker laminae.
V12-99	1957-07-13	10.7000	-65.2000	-1020	V12-99-1	1.500	0.00	3.00	In sediment	Mn micronodule	Many			Clay	Dark green silty unsorted clay with thin horizontal laminae of coarse foraminiferal sand are scattered throughout the layer	Containing abundant manganese, micronodules throughout.
V12-99	1957-07-13	10.7000	-65.2000	-1020	V12-99-2	1.500	0.00	3.00	In sediment	Mn filling	Several		Foraminifera test	Clay	Dark green silty unsorted clay with thin horizontal laminae of coarse foraminiferal sand are scattered throughout the layer	Some foraminifera tests are filled with manganese micronodules.
V12-99	1957-07-13	10.7000	-65.2000	-1020	V12-99-3	8.200	6.60	9.80	In sediment	Mn micronodule	Several			Clay	Pale green clay contains 15-25% fine foraminifera tests	Micronodules and specks of manganese are evident.
V12-127	1957-08-15	27.9670	-78.8800	-816	V12-127-1	0.400	0.00	0.80	In sediment	Mn micronodule	Few			Sand	Tan, medium-coarse grained, moderately sorted, pteropod sand containing about 30-40% medium-grained foraminifera tests	Manganese micronodules occur occasionally.
V12-128	1957-08-15	27.7000	-79.3300	-566	V12-128-1	0.400	0.00	0.80	In sediment	Mn speck	Few			Sand	Foraminiferal sand, very pale orange, poorly sorted	Manganese fragments also occur throughout layer as a minor constituent.