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All Outputs (164)

IODP Expedition 330 : drilling the Louisville Seamount Trail in the SW Pacific (2013)
Journal Article
Koppers, A. A., Yamazaki, T., Geldmacher, J., Anderson, L., Beier, C., Buchs, D. M., …Williams, R. (2013). IODP Expedition 330 : drilling the Louisville Seamount Trail in the SW Pacific. Scientific Drilling, 11-22. https://doi.org/10.5194/sd-15-11-2013

Deep-Earth convection can be understood by studying hotspot volcanoes that form where mantle plumes rise up and intersect the lithosphere, the Earth's rigid outer layer. Hotspots characteristically leave age-progressive trails of volcanoes and seamou... Read More about IODP Expedition 330 : drilling the Louisville Seamount Trail in the SW Pacific.

Stable isotope analysis of Neolithic and Chalcolithic populations from Aktopraklik, northern Anatolia (2013)
Journal Article
Budd, C., Lillie, M., Alpaslan-Roodenberg, S., Karul, N., & Pinhasi, R. (2013). Stable isotope analysis of Neolithic and Chalcolithic populations from Aktopraklik, northern Anatolia. Journal of archaeological science, 40(2), 860-867. https://doi.org/10.1016/j.jas.2012.09.011

This paper presents the results of stable isotope (carbon and nitrogen) analysis of human and faunal remains from the site of Aktopraklık, one of the earliest farming sites in the Eastern Marmara region of Northwest Anatolia. Excavations at this site... Read More about Stable isotope analysis of Neolithic and Chalcolithic populations from Aktopraklik, northern Anatolia.

The astronomical rhythm of Late-Devonian climate change (Kowala section, Holy Cross Mountains, Poland) (2013)
Journal Article
De Vleeschouwer, D., Rakociński, M., Racki, G., Bond, D., Sobień, K., & Claeys, P. (2013). The astronomical rhythm of Late-Devonian climate change (Kowala section, Holy Cross Mountains, Poland). Earth and planetary science letters, 365, 25-37. https://doi.org/10.1016/j.epsl.2013.01.016

Rhythmical alternations between limestone and shales or marls characterize the famous Kowala section, Holy Cross Mountains, Poland. Two intervals of this section were studied for evidence of orbital cyclostratigraphy. The oldest interval spans the Fr... Read More about The astronomical rhythm of Late-Devonian climate change (Kowala section, Holy Cross Mountains, Poland).

Genetic linkage between the Yellow River, the Mu Us desert and the Chinese Loess Plateau (2013)
Journal Article
Stevens, T., Carter, A., Watson, T. P., Vermeesch, P., Andò, S., Bird, A. F., …Sevastjanova, I. (2013). Genetic linkage between the Yellow River, the Mu Us desert and the Chinese Loess Plateau. Quaternary science reviews, 78, 355-368. https://doi.org/10.1016/j.quascirev.2012.11.032

Arid and semi arid northern China holds some of the world's most significant sand sea and loess deposits. In particular, arguably the most important late Cenozoic wind-blown dust archives on land are exposed on the Chinese Loess Plateau. The origin o... Read More about Genetic linkage between the Yellow River, the Mu Us desert and the Chinese Loess Plateau.

Limited latitudinal mantle plume motion for the Louisville hotspot (2012)
Journal Article
Koppers, A. A., Yamazaki, T., Geldmacher, J., Gee, J. S., Pressling, N., Hoshi, H., …Williams, R. (2012). Limited latitudinal mantle plume motion for the Louisville hotspot. Nature Geoscience, 5(12), 911-917. https://doi.org/10.1038/ngeo1638

Hotspots that form above upwelling plumes of hot material from the deep mantle typically leave narrow trails of volcanic seamounts as a tectonic plate moves over their location. These seamount trails are excellent recorders of Earth's deep processes... Read More about Limited latitudinal mantle plume motion for the Louisville hotspot.

Shallow laccolithic emplacement of the Land’s End and Tregonning granites, Cornwall, UK: evidence from aureole field relations and PT modeling of cordierite-anthophyllite hornfels (2012)
Journal Article
Pownall, J. M., Waters, D. J., Searle, M. P., Shail, R. K., & Robb, L. J. (2012). Shallow laccolithic emplacement of the Land’s End and Tregonning granites, Cornwall, UK: evidence from aureole field relations and PT modeling of cordierite-anthophyllite hornfels. Geosphere, 8(6), 1467-1504. https://doi.org/10.1130/GES00802.1

The Land’s End and Tregonning-Godolphin granites of the >250 km-long Permian Cornubian Batholith are heterogeneous medium- to coarse-grained peraluminous biotite-, tourmaline-, and lithium-mica granites traditionally thought to be emplaced as massive... Read More about Shallow laccolithic emplacement of the Land’s End and Tregonning granites, Cornwall, UK: evidence from aureole field relations and PT modeling of cordierite-anthophyllite hornfels.

Variety and origin of magmas on Shatsky Rise, northwest Pacific Ocean (2012)
Journal Article
Sano, T., Shimizu, K., Ishikawa, A., Senda, R., Chang, Q., Kimura, J. I., …Sager, W. W. (2012). Variety and origin of magmas on Shatsky Rise, northwest Pacific Ocean. Geochemistry, geophysics, geosystems G³, 13(8), Article Q08010. https://doi.org/10.1029/2012GC004235

Shatsky Rise consists of thick (∼30km maximum) basaltic crust with various geochemical compositions. Geochemistry data indicate that four magma types exist on the plateau; namely normal, low-Ti, high-Nb, and U1349 types. The normal type is the most a... Read More about Variety and origin of magmas on Shatsky Rise, northwest Pacific Ocean.

Shear-derived mixing in dense granular flows (2011)
Journal Article
Rowley, P. J., Kokelaar, P., Menzies, M., & Waltham, D. (2011). Shear-derived mixing in dense granular flows. Journal of Sedimentary Research, 81(12), 874-884. https://doi.org/10.2110/jsr.2011.72

In flume experiments, granular avalanches run onto loose substrates develop 3-D architectures that record shear-derived mixing between the flow and the substrate. Spherical silica beads 0.250 mm diameter are run onto stratified substrates of various... Read More about Shear-derived mixing in dense granular flows.

Mica-controlled anisotropy within mid-to-upper crustal mylonites: an EBSD study of mica fabrics in the Alpine Fault Zone, New Zealand (2011)
Journal Article
Dempsey, E. D., Prior, D. J., Mariani, E., Toy, V. G., & Tatham, D. J. (2011). Mica-controlled anisotropy within mid-to-upper crustal mylonites: an EBSD study of mica fabrics in the Alpine Fault Zone, New Zealand. Geological Society Special Publications, 360(1), 33-47. https://doi.org/10.1144/SP360.3

The lattice preferred orientation (LPO) of both muscovite and biotite were measured by electron backscatter diffraction (EBSD) and these data, together with the LPOs of the other main constituent minerals, were used to produce models of the seismic v... Read More about Mica-controlled anisotropy within mid-to-upper crustal mylonites: an EBSD study of mica fabrics in the Alpine Fault Zone, New Zealand.

Climate model predictions for the latest Cretaceous: An evaluation using climatically sensitive sediments as proxy indicators (2011)
Journal Article
Craggs, H. J., Valdes, P. J., & Widdowson, M. (2012). Climate model predictions for the latest Cretaceous: An evaluation using climatically sensitive sediments as proxy indicators. Palaeogeography, palaeoclimatology, palaeoecology, 315-316, 12-23. https://doi.org/10.1016/j.palaeo.2011.11.004

To date, many general circulation model (GCM) experiments have failed to reproduce the warm, high latitude temperatures suggested for the Cretaceous by geological proxy climate indicators, especially for the Northern Hemisphere and within continental... Read More about Climate model predictions for the latest Cretaceous: An evaluation using climatically sensitive sediments as proxy indicators.

Qualitative and quantitative approaches in palaeohydrography: a case study from core-top parameters in the Gulf of Cadiz (2010)
Journal Article
Rogerson, M., Schönfeld, J., & Leng, M. J. (2011). Qualitative and quantitative approaches in palaeohydrography: a case study from core-top parameters in the Gulf of Cadiz. Marine Geology, 280(1-4), 150-167. https://doi.org/10.1016/j.margeo.2010.12.008

Palaeoceanography relies on the assumption that parameters measureable in sediment cores correlate reliably to hydrographic parameters. Areas of dynamic watermass mixing, which generally have steep hydrographic gradients, therefore provide both a tem... Read More about Qualitative and quantitative approaches in palaeohydrography: a case study from core-top parameters in the Gulf of Cadiz.

Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish (2010)
Journal Article
Dahl, T. W., Hammarlund, E. U., Anbar, A. D., Bond, D. P. G., Gill, B. C., Gordon, G. W., …Canfield, D. E. (2010). Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish. Proceedings of the National Academy of Sciences of the United States of America, 107(42), 17911-17915. https://doi.org/10.1073/pnas.1011287107

The evolution of Earth's biota is intimately linked to the oxygenation of the oceans and atmosphere. We use the isotopic composition and concentration of molybdenum (Mo) in sedimentary rocks to explore this relationship. Our results indicate two epis... Read More about Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish.

Stable isotope analysis of prehistoric populations from the cemeteries of the Middle and Lower Dnieper Basin, Ukraine (2010)
Journal Article
Lillie, M., Budd, C., & Potekhina, I. (2011). Stable isotope analysis of prehistoric populations from the cemeteries of the Middle and Lower Dnieper Basin, Ukraine. Journal of archaeological science, 38(1), 57-68. https://doi.org/10.1016/j.jas.2010.08.010

This paper presents the results of new stable isotopes (carbon and nitrogen) analysis of human, faunal and fish remains from thirteen cemeteries from the Middle and Lower Dnieper Basin, Ukraine. The results are integrated with earlier analyses, under... Read More about Stable isotope analysis of prehistoric populations from the cemeteries of the Middle and Lower Dnieper Basin, Ukraine.

The Middle Permian (Capitanian) mass extinction on land and in the oceans (2010)
Journal Article
Bond, D. P. G., Hilton, J., Wignall, P. B., Ali, J. R., Stevens, L. G., Sun, Y., & Lai, X. (2010). The Middle Permian (Capitanian) mass extinction on land and in the oceans. Earth-Science Reviews, 102(1-2), 100-116. https://doi.org/10.1016/j.earscirev.2010.07.004

A Middle Permian mass extinction, first discovered in 1994, has become known as the "end-Guadalupian event" in the literature. However, recent studies of foraminifera- and brachiopod-range truncations in conodont-dated sections on the South China Blo... Read More about The Middle Permian (Capitanian) mass extinction on land and in the oceans.

The mid-Capitanian (Middle Permian) mass extinction and carbon isotope record of South China (2010)
Journal Article
Bond, D. P. G., Wignall, P. B., Wang, W., Izon, G., Jiang, H. S., Lai, X. L., …Cope, H. (2010). The mid-Capitanian (Middle Permian) mass extinction and carbon isotope record of South China. Palaeogeography, palaeoclimatology, palaeoecology, 292(1-2), 282-294. https://doi.org/10.1016/j.palaeo.2010.03.056

Conodont, C isotope and fossil and facies data are presented for the Capitanian (Middle Permian) mass extinction record seen in platform carbonates (Maokou and Wuchiaping formations) of South China, where limestones interdigitate with the volcanic su... Read More about The mid-Capitanian (Middle Permian) mass extinction and carbon isotope record of South China.

An 80 million year oceanic redox history from Permian to Jurassic pelagic sediments of the Mino-Tamba terrane, SW Japan, and the origin of four mass extinctions (2010)
Journal Article
Wignall, P. B., Bond, D. P., Kuwahara, K., Kakuwa, Y., Newton, R. J., & Poulton, S. W. (2010). An 80 million year oceanic redox history from Permian to Jurassic pelagic sediments of the Mino-Tamba terrane, SW Japan, and the origin of four mass extinctions. Global and planetary change, 71(1-2), 109-123. https://doi.org/10.1016/j.gloplacha.2010.01.022

Fabric and pyrite framboid size analysis of Permian to Jurassic samples from the Mino-Tamba terrane of Japan provide an 80myr redox history from the Panthalassa Ocean. Fully oxygenated conditions dominated but were punctuated by three phases of anoxi... Read More about An 80 million year oceanic redox history from Permian to Jurassic pelagic sediments of the Mino-Tamba terrane, SW Japan, and the origin of four mass extinctions.

Response of the microbial community to water table variation and nutrient addition and its implications for in situ preservation of organic archaeological remains in wetland soils (2009)
Journal Article
Douterelo, I., Goulder, R., & Lillie, M. (2009). Response of the microbial community to water table variation and nutrient addition and its implications for in situ preservation of organic archaeological remains in wetland soils. International Biodeterioration and Biodegradation, 63(6), 795-805. https://doi.org/10.1016/j.ibiod.2009.06.010

Wetland environments can preserve organic archaeological remains because of their anaerobic nature. The ongoing discovery of archaeological sites in wetlands is associated with a lack of funds for excavation and preservation. This situation has led t... Read More about Response of the microbial community to water table variation and nutrient addition and its implications for in situ preservation of organic archaeological remains in wetland soils.

Volcanism, mass extinction, and carbon isotope fluctuations in the Middle Permian of China (2009)
Journal Article
Wignall, P. B., Sun, Y., Bond, D. P. G., Izon, G., Newton, R. J., Védrine, S., …Bottrell, S. H. (2009). Volcanism, mass extinction, and carbon isotope fluctuations in the Middle Permian of China. Science, 324(5931), 1179-1182. https://doi.org/10.1126/science.1171956

The 260-million-year-old Emeishan volcanic province of southwest China overlies and is interbedded with Middle Permian carbonates that contain a record of the Guadalupian mass extinction. Sections in the region thus provide an opportunity to directly... Read More about Volcanism, mass extinction, and carbon isotope fluctuations in the Middle Permian of China.

A humid corridor across the Sahara for the migration of early modern humans out of Africa 120,000 years ago (2008)
Journal Article
Osborne, A. H., Vance, D., Rohling, E. J., Barton, N., Rogerson, M., & Fello, N. (2008). A humid corridor across the Sahara for the migration of early modern humans out of Africa 120,000 years ago. Proceedings of the National Academy of Sciences of the United States of America, 105(43), 16444-16447. https://doi.org/10.1073/pnas.0804472105

It is widely accepted that modern humans originated in sub-Saharan Africa ≈150-200 thousand years ago (ka), but their route of dispersal across the currently hyperarid Sahara remains controversial. Given that the first modern humans north of the Saha... Read More about A humid corridor across the Sahara for the migration of early modern humans out of Africa 120,000 years ago.