Search Results - "Pik, R."

Late Cenozoic evolution of the central Longmen Shan, eastern Tibet: Insight from (U-Th)/He thermochronometry by Godard, V., Pik, R., Lavé, J., Cattin, R., Tibari, B., de Sigoyer, J., Pubellier, M., Zhu, J.

“…This article presents (U‐Th)/He thermochronological data from the Longmen Shan belt, eastern Tibet. Located between the Songpan‐Garze terrane and the Yangtze…”
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How many mantle plumes in Africa? The geochemical point of view by Pik, R., Marty, B., Hilton, D.R.

“…The association of anomalous topographic swells and widespread Cenozoic volcanism within the African plate (Hoggar, Tibesti, Darfur, Ethiopian highlands,…”
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Assessing the Helium Potential of Variscan Batholiths: Insight From Corsica Island by Dutoit, H., Donzé, F. V., Cardoso, C., Charroy, J., Riba Pereyra, C., Taillefer, A., Dusséaux, C., Tisserand, D., Monnier, L., Byrdina, S., Pik, R., Truche, L.

“…Most of the current helium (He) reserves originate from fortuitous discoveries, mainly made during oil and gas exploration in sedimentary basins. As helium…”
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Thermal imprint of rift-related processes in orogens as recorded in the Pyrenees by Vacherat, A., Mouthereau, F., Pik, R., Bernet, M., Gautheron, C., Masini, E., Le Pourhiet, L., Tibari, B., Lahfid, A.

“…The extent to which heat recorded in orogens reflects thermal conditions inherited from previous rift-related processes is still debated and poorly documented…”
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Exhumation of the Western Alpine collisional wedge: New thermochronological data by Girault, J.B., Bellahsen, N., Bernet, M., Pik, R., Loget, N., Lasseur, E., Rosenberg, C.L., Balvay, M., Sonnet, M.

“…Collisional shortening in the external Western Alps was first accommodated by internal (distributed) deformation in the External Crystalline Massifs (ECM) and…”
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Shortening of the axial zone, pyrenees: Shortening sequence, upper crustal mylonites and crustal strength by Bellahsen, N., Bayet, L., Denele, Y., Waldner, M., Airaghi, L., Rosenberg, C., Dubacq, B., Mouthereau, F., Bernet, M., Pik, R., Lahfid, A., Vacherat, A.

“…The strength of the lithosphere may be constrained qualitatively by field observations on localized vs distributed modes of deformation and by the mineral…”
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Unraveling the Mesozoic and Cenozoic Tectonothermal Evolution of the Eastern Basque‐Cantabrian Zone–Western Pyrenees by Low‐Temperature Thermochronology by DeFelipe, I., Pedreira, D., Pulgar, J. A., Beek, P. A., Bernet, M., Pik, R.

“…Low‐temperature thermochronology studies have increased our knowledge of the orogenic processes along the Pyrenean‐Cantabrian mountain belt by placing time…”
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Pre-existing oblique transfer zones and transfer/transform relationships in continental margins: New insights from the southeastern Gulf of Aden, Socotra Island, Yemen by Bellahsen, N., Leroy, S., Autin, J., Razin, P., d'Acremont, E., Sloan, H., Pik, R., Ahmed, A., Khanbari, K.

“…Transfer zones are ubiquitous features in continental rifts and margins, as are transform faults in oceanic lithosphere. Here, we present a structural study of…”
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Understanding VNIR Plagioclase Signatures on Mars Through Petrographic, Geochemical, and Spectral Characterization of Terrestrial Feldspar‐Bearing Igneous Rocks by Barthez, M., Flahaut, J., Guitreau, M., Ito, G., Pik, R.

“…Plagioclase feldspar is a common mineral in terrestrial rocks and has recently been detected on Mars surface with visible near‐infrared (VNIR) spectroscopy…”
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The Red Beds series in the Erta Ale segment, North Afar. Evidence for a 6 Ma-old post-rift basin prior to continental rupturing by Le Gall, B., Leleu, S., Pik, R., Jourdan, F., Chazot, G., Ayalew, D., Yirgu, G., Cloquet, C., Chauvet, F.

“…The Erta Ale rift segment, North Afar, is regarded as the most mature rift part within the entire Afar rift system. Very little is known about its deformation…”
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Magmatic cycles pace tectonic and morphological expression of rifting (Afar depression, Ethiopia) by Medynski, S., Pik, R., Burnard, P., Dumont, S., Grandin, R., Williams, A., Blard, P.-H., Schimmelpfennig, I., Vye-Brown, C., France, L., Ayalew, D., Benedetti, L., Yirgu, G.

“…The existence of narrow axial volcanic zones of mid-oceanic ridges testifies of the underlying concentration of both melt distribution and tectonic strain. As…”
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Timing of the Ethiopian flood basalt event and implications for plume birth and global change by Courtillot, V, Hofmann, C, Féraud, G, Rochette, P, Yirgu, G, Ketefo, E, Pik, R

“…Continental flood basalts are often considered as fossil evidence of mantle plume heads impinging on the lithosphere, and have been related to continental…”
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Stability of rift axis magma reservoirs: Spatial and temporal evolution of magma supply in the Dabbahu rift segment (Afar, Ethiopia) over the past 30 kyr by Medynski, S., Pik, R., Burnard, P., Vye-Brown, C., France, L., Schimmelpfennig, I., Whaler, K., Johnson, N., Benedetti, L., Ayelew, D., Yirgu, G.

“…Unravelling the volcanic history of the Dabbahu/Manda Hararo rift segment in the Afar depression (Ethiopia) using a combination of cosmogenic (36Cl and 3He)…”
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Persistence of full glacial conditions in the central Pacific until 15,000 years ago by BLARD, P.-H, LAVE, J, PIK, R, WAGNON, P, BOURLE, D

“…The magnitude of atmospheric cooling during the Last Glacial Maximum and the timing of the transition into the current interglacial period remain poorly…”
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The Meso-Cenozoic thermo-tectonic evolution of the Eastern Pyrenees: an 40Ar/39Ar fission track and (U–Th)/He thermochronological study of the Canigou and Mont-Louis massifs by Maurel, O., Moniè, P., Pik, R., Arnaud, N., Brunel, M., Jolivet, M.

“…Vertical displacements on the SW–NE Têt fault (Eastern Pyrenees Axial Zone, France), which separates the Variscan Canigou-Carança and Mont-Louis massifs, were…”
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Separation of rifting and lithospheric folding signatures in the NW-Alpine foreland by Bourgeois, O., Ford, M., Diraison, M., Veslud, C. Le Carlier de, Gerbault, M., Pik, R., Ruby, N., Bonnet, S.

“…Issue Title: Continental extension The development of the Alpine mountain belt has been governed by the convergence of the African and European plates since…”
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Monsoonal forcing of Holocene glacier fluctuations in Ganesh Himal (Central Nepal) constrained by cosmogenic He exposure ages of garnets by Gayer, E, Lave, J, Pik, R, France-Lanord, C

“…In the Himalayas, the late Pleistocene glacier oscillations have produced spectacular glacial landforms. Detailed reconstructions of the chronology and extent…”
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Controls on magmatic cycles and development of rift topography of the Manda Hararo segment (Afar, Ethiopia): Insights from cosmogenic 3He investigation of landscape evolution by Medynski, S., Pik, R., Burnard, P., Williams, A., Vye-Brown, C., Ferguson, D., Blard, P.-H., France, L., Yirgu, G., Seid, J.I., Ayalew, D., Calvert, A.

“…Crustal extension at mature continental rifts and oceanic ridges occurs by a combination of normal faulting and magma injection, which interact to create rift…”
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Magnetostratigraphy and timing of the Oligocene Ethiopian traps by Rochette, P., Tamrat, E., Féraud, G., Pik, R., Courtillot, V., Ketefo, E., Coulon, C., Hoffmann, C., Vandamme, D., Yirgu, G.

“…A combined paleomagnetic, 40Ar/ 39Ar and geochemical investigation has been conducted in two type sections (65 sites) of the NW Ethiopian plateau volcanic…”
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The Cryogenian arc formation and successive high-K calc–alkaline plutons of Socotra Island (Yemen) by Denèle, Y., Leroy, S., Pelleter, E., Pik, R., Talbot, J-Y., Khanbari, K.

“…The Socotra Island belongs to the southern rifted margin of the Gulf of Aden and occupied in Neoproterozoic times a key position to constrain the age and the…”
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