2,246 Works

Chemical and mineral compositions of recent and ancient sediments and sedimentary rocks from the Mariana Trench, supplement to: Skornyakova, Nadezhda S; Gorbunova, Zinaida N; Kruglikova, Svetlana B; Kuz'mina, Tatyana G; Rudakova, Alevtina N; Ushakova, Maola G (1978): Sediments and sedimentary rocks from the Mariana Trench. Litologiya i Poleznyye Iskopaemyye (Lithology and Mineral Resources), 13(5), 18-32

Nadezhda S Skornyakova, Zinaida N Gorbunova, Svetlana B Kruglikova, Tatyana G Kuz'mina, Alevtina N Rudakova & Maola G Ushakova
On the bed and on the ocean slope of the southern latitudinal part of the Mariana Trench ancient sediments, as well as sedimentary and igneous rocks are exposed. In the lower part of the sampled part of the studied section Late Oligocene to Early Miocene chalk-like limestones and marls occur. Upward marly tuffites and tuffs (apparently alternating with carbonate rocks) occur. These rocks are overlain by Early Miocene tuffaceous clays and siliceous-clayey muds. In the...

Miocene planktonic foraminifera of ODP Hole 130-806B, supplement to: Nathan, Stephen A; Leckie, R Mark (2009): Early history of the Western Pacific Warm Pool during the middle to late Miocene (~13.2-5.8 Ma): Role of sea-level change and implications for equatorial circulation. Palaeogeography, Palaeoclimatology, Palaeoecology, 274(3-4), 140-159

Stephen A Nathan & R Mark Leckie
We document the waxing and waning of a “proto-warm pool” in the western equatorial Pacific (WEP) based on a study of multi-species planktic foraminiferal isotope ratios and census data spanning the 13.2–5.8 Ma interval at ODP Site 806. We hypothesize that the presence or absence of a proto-warm pool in the WEP, caused by the progressive tectonic constriction of the Indonesian Seaway and modulated by sea level fluctuations, created El Niño/La Niña-like alternations of hydrographic...

Geochemical parameters of bottom sediments from the Stromboli Canyon, supplement to: Pilipchuk, Mikhail F; Golovina, M S; Sokolov, Vassily S (1978): Lithological and geochemical properties of recent sediments from the Stromboli Canyon slopes. Litologiya i Poleznyye Iskopaemyye (Lithology and Mineral Resources), 13(5), 38-51

Mikhail F Pilipchuk, M S Golovina & Vassily S Sokolov
In recent sediments of the Stromboli Canyon sides features of mineral and grain size compositions, redox conditions, behavior of Fe, Mn, organic carbon, Mo, and W in an environment of active input of pyroclastic material are considered. Differences in conditions of sedimentation and early diagenesis in the east and west sides of the canyon depending on position of the prevailing direction of drift and steepness of the slopes, as well as types of differentiation of...

Composition of organic matter from black shales drilled in the Cape Verde Basin in DSDP Hole 41-367, supplement to: Bartashevich, O V; Bogolyubova, L I (1979): Geochemistry of organic matter from black shales of the Cape Verde Basin (East Atlantic) and their oil-source potential. Litologiya i Poleznyye Iskopaemyye (Lithology and Mineral Resources), 14(2), 37-54

O V Bartashevich & L I Bogolyubova
Results of geochemical studies of organic matter in black shales from the Cape Verde Basin are reported. Based on these results, in combination with data of petrographic analysis, conclusions are made about sapropelic nature of their organic matter and low degree of its coalification. It corresponds to the proto-catagenetic substage of sedimentary rocks. Black shales of the Cape Verde Basin are classified as potential oil source strata.

Consolidation properties and hydraulic conductivities of sediments from ODP Leg 207 sites, supplement to: O'Regan, Matthew; Moran, Kate (2007): Compressibility, permeability, and stress history of sediments from Demerara Rise. In: Mosher, DC; Erbacher, J; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 207, 1-35

Matthew O'Regan & Kate Moran
The stress history, permeability, and compressibility of sediments from Demerara Rise recovered during Ocean Drilling Program Leg 207 were determined using one-dimensional incremental load consolidation and low-gradient flow pump permeability tests. Relationships among void ratio, effective stress, and hydraulic conductivity are presented for sampled lithologic units and used to reconstruct effective stress, permeability, and in situ void ratio profiles for a transect of three sites across Demerara Rise. Results confirm that a significant erosional event...

Tie points and log-adjusted depth scales for ODP Leg 207 Sites, supplement to: O'Regan, Matthew (2007): Data report: Log-adjusted depth scales for Cretaceous black shale deposits from Demerara Rise. In: Mosher, DC; Erbacher, J; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 207, 1-29

Matthew O'Regan
Multiple copies of Cretaceous black shales extending from the early Cenomanian to the end of the Santonian were recovered at five sites on Demerara Rise during Leg 207 of the Ocean Drilling Program. These sediments are primarily composed of laminated organic-rich claystones interbedded with coarser, lightly laminated foraminferal-bearing packstones and wackestones. The black shales represent the local expression of widespread organic-rich sedimentation in the Atlantic during the mid-Cretaceous. However, incomplete recovery prevented construction of continuous...

Grain sizes and mineral composition of the basement of ODP Site 206-1256, supplement to: Umino, Susumu (2007): Data report: Textural variation of Units 1256C-18 and 1256D-1 lava pond, with special reference to recrystallization of the base of Unit 1256C-18. In: Teagle, DAH; Wilson, DS; Acton, GD; Vanko, DA (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 206, 1-32

Susumu Umino
Hole 1256C was cored 88.5 m into basement, and Hole 1256D, the deep reentry hole, was cored 502 m into basement during Ocean Drilling Program Leg 206. Hole 1256D is located ~30 m south of Hole 1256C (Wilson, Teagle, Acton, et al., 2003, doi:10.2973/odp.proc.ir.206.2003). A thick massive flow drilled in both holes, Units 1256C-18 and 1256D-1, consists of a single cooling unit of cryptocrystalline to fine-grained basalt, interpreted as a ponded lava, 32 m and...

Lead/Calcium profiles in the common time window 1770-2010 of the three Arctica islandica shells, supplement to: Krause-Nehring, Jacqueline; Brey, Thomas; Thorrold, Simon R (2012): Centennial records of lead contamination in northern Atlantic bivalves (Arctica islandica). Marine Pollution Bulletin, 64(2), 233-240

Jacqueline Krause-Nehring, Thomas Brey & Simon R Thorrold
In the study, we establish centennial records of anthropogenic lead pollution at different locations in the North Atlantic (Iceland, USA, and Europe) by means of lead deposited in shells of the long-lived bivalve Arctica islandica. Due to local oceanographic and geological conditions we conclude that the lead concentrations in the Icelandic shell reflect natural influxes of lead into Icelandic waters. In comparison, the lead profile of the US shell is clearly driven by anthropogenic lead...

Biomagnetostratigraphy of ODP Leg 189 sites, supplement to: Stickley, Catherine E; Brinkhuis, Henk; McGonigal, Kristeen L; Chaproniere, George C H; Fuller, Michael D; Kelly, Daniel Clay; Nürnberg, Dirk; Pfuhl, Helen A; Schellenberg, Stephen A; Schoenfeld, Joachim; Suzuki, Noritoshi; Touchard, Yannick; Wei, Wuchang; Williams, Graham L; Lara, Jonathan; Stant, S Audra (2004): Late Cretaceous-Quaternary biomagnetostratigraphy of ODP Sites 1168, 1170, 1171, and 1172, Tasmanian Gateway. In: Exon, NF; Kennett, JP; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 189, 1-57

Catherine E Stickley, Henk Brinkhuis, Kristeen L McGonigal, George C H Chaproniere, Michael D Fuller, Daniel Clay Kelly, Dirk Nürnberg, Helen A Pfuhl, Stephen A Schellenberg, Joachim Schoenfeld, Noritoshi Suzuki, Yannick Touchard, Wuchang Wei, Graham L Williams, Jonathan Lara & S Audra Stant
Late Cretaceous (Maastrichtian)-Quaternary summary biostratigraphies are presented for Ocean Drilling Program (ODP) Leg 189 Sites 1168 (West Tasmanian Margin), 1170 and 1171 (South Tasman Rise), and 1172 (East Tasman Plateau). The age models are calibrated to magnetostratigraphy and integrate both calcareous (planktonic foraminifers and nannofossils) and siliceous (diatoms and radiolarians) microfossil groups with organic walled microfossils (organic walled dinoflagellate cysts, or dinocysts). We also incorporate benthic oxygen isotope stratigraphies into the upper Quaternary parts of...

Geochemistry of Walvis Ridge basalts, supplement to: Salters, Vincent J M; Sachi-Kocher, Afi (2010): An ancient metasomatic source for the Walvis Ridge basalts. Chemical Geology, 273(3-4), 151-167

Vincent J M Salters & Afi Sachi-Kocher
The proposed origins for the Enriched Mantle I component are many and various and some require an arbitrary addition of an exotic component, be it pure sediment or an enriched melt from the subcontinental lithosphere. With Pitcairn, Walvis Ridge is the 'type-locality' for the Enriched Mantle I (EMI) component. We analyzed basalts from DSDP Site 525A, Site 527 and Site 528 on the Walvis Ridge with the aim to constrain the history of its source....

Calcareous nannofossil assemblages of Ocean Anoxic Event 2 in ODP Sites 207-1258 and 207-1260, supplement to: Hardas, Petros; Mutterlose, Jörg (2007): Calcareous nannofossil assemblages of Oceanic Anoxic Event 2 in the equatorial Atlantic: Evidence of an eutrophication event. Marine Micropaleontology, 66(1), 52-69

Petros Hardas & Jörg Mutterlose
The calcareous nannofossils of the Cenomanian/Turonian boundary interval of Sites 1258 and 1260 (Ocean Drilling Program Leg 207) have been studied in order to understand the depositional environment during Oceanic Anoxic Event 2 (OAE2) in the equatorial Atlantic. Nannofossil assemblages show a significant change in relative abundances during the positive d13Corg excursion interval. The strong increase of the high productivity indicator Zeugrhabdotus erectus and the simultaneous decrease of the oligotrophic taxa Watznaueria barnesiae and Watznaueria...

Late Miocene Xianfeng palaeoflora and palaeoclimate of Yunnan Province, southwestern China, supplement to: Xing, Yao-Wu; Utescher, Torsten; Jacques, Frédéric M B; Su, Tao; Liu, Yu-Sheng Christopher; Huang, Yong-Jiang; Zhou, Zhekun (2012): Palaeoclimatic estimation reveals a weak winter monsoon in southwestern China during the late Miocene: Evidence from plant macrofossils. Palaeogeography, Palaeoclimatology, Palaeoecology, 358-360, 19-26

Yao-Wu Xing, Torsten Utescher, Frédéric M B Jacques, Tao Su, Yu-Sheng Christopher Liu, Yong-Jiang Huang & Zhekun Zhou
The late Miocene Xianfeng flora of Yunnan Province, southwestern China, was chosen to reconstruct the paleoclimate and the intensity of the Asian monsoon. Three available quantitative climate reconstruction methods from fossil plants, i.e. Leaf Margin Analysis (LMA), the Climate Leaf Analysis Multivariate Program (CLAMP), and the Coexistence Approach (CA) were used in this study. MATs (mean annual temperatures) resulting from these three approaches (i.e., LMA: 17.2 ± 2.38 °C; CLAMP: 15.43 ± 1.25 °C; CA:...

Neogene calcareous nannofossils of ODP Leg 133 holes, supplement to: Gartner, Stefan; Wei, Wuchang; Shyu, Jih-Ping (1993): Neogene calcareous nannofossil biostratigraphy at sites 812 through 818, northeastern Australian Margin. In: McKenzie, JA; Davies, PJ; Palmer-Julson, A; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 133, 3-18

Stefan Gartner, Wuchang Wei & Jih-Ping Shyu
Two major transects were drilled across the northeastern Australian margin during Leg 133. The southern transect, consisting of Sites 812 through 818 (and 826), extends from the northern edge of Marion Plateau north to the southern edge of Queensland Plateau. Hemipelagic and pelagic sediments were recovered at all sites from the Holocene back to the upper Miocene sections. Calcareous nannofossils are a major constituent of these sediments. Nearly all of the low-latitude nannofossil biohorizons can...

Description, geochemistry, mineralogy and isotopes of sulfides from ODP Site 193-1189, PACMANUS field, supplement to: Binns, Raymond A (2006): Data report: Geochemistry of massive and semimassive sulfides from Site 1189, Ocean Drilling Program Leg 193. In: Barriga, FJAS; Binns, RA; Miller, DJ; Herzig, PM (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 193, 1-22

Raymond A Binns
Chemical and isotopic data for rare massive and semimassive sulfide samples cored at Site 1189 (Roman Ruins, PACMANUS) suggest their genetic relationship with sulfide chimneys at the seafloor. Sand collected from the hammer drill after commencement of Hole 1189B indicates that at least the lower section of the cased interval was occupied by material similar to the stockwork zone cored from 31 to ~100 meters below seafloor (mbsf) in this hole, but with increased content...

Paleomagnetic of Cretaceous basalts from ODP Hole 129-802A, supplement to: Wallick, Brian P; Steiner, Maureen B (1992): Paleomagnetism of Cretaceous basalts from the East Mariana Basin, western Pacific Ocean. In: Larson, RL; Lancelot, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 129, 447-454

Brian P Wallick & Maureen B Steiner
Cretaceous basalts have been recovered at several Ocean Drilling Program and Deep Sea Drilling Project sites where basement of Jurassic age was predicted. Sites 800 and 802, Leg 129, both fall in this category. We have examined the paleomagnetic properties of 25 basalt samples from Site 802 in order to establish a paleolatitude for the site at the time of basalt emplacement and to compare the results to those from Deep Sea Drilling Project Site...

Chemistry and accumulation rates of Jurassic to early Cretaceous sediments from the central equatorial Pacific, supplement to: Ogg, James G; Karl, Susan M; Behl, Richard J (1992): Jurassic through Early Cretaceous sedimentation history of the central equatorial Pacific and of Sites 800 and 801. In: Larson, RL; Lancelot, Y; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 129, 571-613

James G Ogg, Susan M Karl & Richard J Behl
Sedimentation in the central Pacific during the Jurassic and Early Cretaceous was dominated by abundant biogenic silica. A synthesis of the stratigraphy, lithology, petrology, and geochemistry of the radiolarites in Sites 801 and 800 documents the sedimentation processes and trends in the equatorial central Pacific from the Middle Jurassic through the Early Cretaceous. Paleolatitude and paleodepth reconstructions enable comparisons with previous DSDP sites and identification of the general patterns of sedimentation over a wide region...

Geochemical composition of ODP Site 210-1276 shales, supplement to: Arnaboldi, Michela; Meyers, Philip A (2006): Data report: Multiproxy geochemical characterization of OAE-related black shales at Site 1276, Newfoundland Basin. In: Tucholke, BE; Sibuet, J-C; Klaus, A (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 210, 1-16

Michela Arnaboldi & Philip A Meyers
During Ocean Drilling Program Leg 210, a greatly expanded sedimentary sequence of continuous Cretaceous black shales was recovered at Site 1276. This section corresponds to the Hatteras Formation, which has been documented widely in the North Atlantic Ocean. The cored sequence extends from the lowermost Albian, or possibly uppermost Aptian, to the Cenomanian/Turonian boundary and is characterized by numerous gravity-flow deposits and sporadic, finely laminated black shales. The sequence also includes several sedimentary intervals with...

Major and rare earth element composition of ODP Site 191-1179 sediments, northwest Pacific, supplement to: Fukukawa, M; Takahashi, Y; Hayasaka, Yasutaka; Sakai, Y; Shimizu, Hiroshi (2004): Geochemical study of ODP Leg 191 Site 1179 sediments: direct observation of Mn and Ce oxidation states. In: Sager, WW; Kanazawa, T; Escutia, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 191, 1-24

M Fukukawa, Y Takahashi, Yasutaka Hayasaka, Y Sakai & Hiroshi Shimizu
Depth profiles of major element and rare earth element (REE) abundances in sediment samples (mainly siliceous ooze and clay) recovered from Holes 1179B and 1179C at Site 1179, Ocean Drilling Program Leg 191 (41.4°N, 159.6°E) were determined. The oxidation states of Mn and Ce were determined by X-ray absorption near-edge structure. Some geochemical indicators were tested, including the MnO/TiO2 ratios, a bivariate diagram of La/Ce vs. Al2O3/(Al2O3+Fe2O3), and other discrimination diagrams. The oxidation state of...

LBA-ECO TG-07 Seasonal Trace Gas Profiles in Brazilian Amazon Forests: 2004-2005

J.B. DO CARMO, M.M. KELLER, J.D. DIAS, P.B. DE CAMARGO & P.M. CRILL
This data set provides concentrations of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) from air samples collected at several heights on towers at three locations in upland old growth forests in the Brazilian Amazon during the wet and dry seasons of 2004 and 2005. Towers are located in the Caxiuana National Forest, in the state of Amazonas; the Manaus, Para, site in the Cuieiras Reserve; and the Sinop site, located north of that...

Benthic foraminifera in Northwest Indian Ocean surface sediments

J Otto R Hermelin & Graham Shimmield
The relationship between the distribution of benthic foraminifera and sediment type and depositional environment in the Arabian Sea is discussed. The benthic foraminiferal fauna were sampled in nineteen Recent surface sediment samples, and geochemical variables of the sediment of the same samples were measured. The water depths for the box core samples varies from 440 to 4040 m. A total of 103 species and six species-complexes were identified.The geochemical properties were found to correspond well...

Heavy mineral content and grain sizes of sediment samples from foreshore to dune around Skagen, north Denmark, supplement to: Cordes, Eilhard (1966): Aufbau und Bildungsbedingungen der Schwermineralseifen bei Skagen (Dänemark). Meyniana, 16, 1-35

Eilhard Cordes
Aufbau und Ausdehnung der Schwermineral-Anreicherungen (Ilmenit, Granat, Amphibol) am Strand südlich Skagens wurden in langen Schürfgräben untersucht. Die Seifenlagen ziehen durchgehend vom Kliff-Fuß bis zur mittleren Meereshöhe hin und liegen meist diskordant auf der alten Strandschichtung. Ihre strandparallele Ausdehnung beträgt bis zu 100 m. Aufgebaut werden sie aus dünnen Schwermineral-Lamellen, die in kleinerem Umfang überall in den Strandablagerungen zu finden sind und hier das Gefüge nachzeichnen (Rippeln, Strandwallschichtung, Schichtstörungen).Die Seifenbildung geht in einem Gebiet mit...

Composition of dikes and lavas from the Pito Deep Rift, supplement to: Pollock, Meagen A; Klein, Emily M; Karson, Jeffrey A; Coleman, Drew S (2008): Compositions of dikes and lavas from the Pito Deep Rift: Implications for crustal accretion at superfast spreading centers. Journal of Geophysical Research: Solid Earth, 114, B03207

Meagen A Pollock, Emily M Klein, Jeffrey A Karson & Drew S Coleman
The northwest trending walls of the Pito Deep Rift (PDR), a tectonic window in the southeast Pacific, expose in situ oceanic crust generated ?3 Ma at the superfast spreading southern East Pacific Rise (SEPR). Whole rock analyses were performed on over 200 samples of dikes and lavas recovered from two ~8 km**2 study areas. Most of the PDR samples are incompatible-element-depleted normal mid-ocean ridge basalts (NMORB; (La/Sm)N < 1.0) that show typical tholeiitic fractionation trends....

NACP Forest Age Maps at 1-km Resolution for Canada (2004) and the U.S.A. (2006)

Y. PAN, J.M. CHEN, R. BIRDSEY, K. MCCULLOUGH, L. HE & F. DENG
This data set provides forest age map products at 1-km resolution for Canada and the United States (U.S.A.). These continental forest age maps were compiled from forest inventory data, historical fire data, optical satellite data, and the images from NASAâ s Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) project. These input data products have various sources and creation dates as described in the source paper by Pan et al. (2011). Canadian maps were produced with...

Counts of harpacticoid copepods associated with cold-water coral substrates obtained from several Belgica cruises, Porcupine Seabight (North-East Atlantic), supplement to: Gheerardyn, Hendrik; De Troch, Marleen; Vincx, Magda; Vanreusel, Ann (2010): Diversity and community structure of harpacticoid copepods associated with cold-water coral substrates in the Porcupine Seabight (North-East Atlantic). Helgoland Marine Research, 64(1), 53-62

Hendrik Gheerardyn, Marleen De Troch, Magda Vincx & Ann Vanreusel
The influence of microhabitat type on the diversity and community structure of the harpacticoid copepod fauna associated with a cold-water coral degradation zone was investigated in the Porcupine Seabight (North-East Atlantic). Three substrate types were distinguished: dead fragments of the cold-water coral Lophelia pertusa, skeletons of the glass sponge Aphrocallistes bocagei and the underlying sediment. At the family level, it appears that coral fragments and underlying sediment do not harbour distinctly diVerent assemblages, with Ectinosomatidae,...

Mössbauer characterisation of sediments from ODP Sites 128-798 and 128-799, supplement to: Minai, Yoshitaka; Kusudo, Iori; Matsumoto, Ryo; Sato, Haruo; Tominaga, Takeshi (1992): Mössbauer characterization of sediments from Sites 798 and 799, Japan Sea. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 739-746

Yoshitaka Minai, Iori Kusudo, Ryo Matsumoto, Haruo Sato & Takeshi Tominaga
57Fe Mössbauer spectra for 26 sediment and 6 carbonate concretion samples from Sites 798 and 799 were recorded at 293 K. Most spectra were deconvolved to two quadrupole doublets without magnetic hyperfine structure. Typical Mössbauer parameters were: isomer shift (I.S.) = 0.34 mm/s and quadrupole splitting (Q.S.) = 0.64 mm/s for the paramagnetic Fe3+ component (partly, pyrite); I.S. = 1.13 mm/s and Q.S. = 2.64 mm/s for the high-spin Fe2+ component derived from iron-bearing aluminosilicates....

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