Research Highlights
The Department in the News
November 19, 2009 - Carmala Garzione
is chosen as a New York Academy of Sciences Award Winner
November 16, 2009 - Cindy
Ebinger: New Study in Geology Uses
Satellite Imagery to Identify Active Magma Systems in East Africa's
Rift Valley
September 9, 2009 - Cindy
Ebinger: Scientists Install Seismic Sensors in Galapagos to Generate
First 3-D Images of a Hotspot Magma Plumbing System
August 27, 2009 - John
Tarduno and
Cognitive Scientists Use Eye-Tracking Technology to Learn What Makes a
Great Geologist
April 2, 2009 - John
Tarduno:
Simulations and Ancient Magnetism Suggest Mantle Plumes May Bend Deep
Beneath Earth's Crust
March 13, 2009 - Asish
Basu:
Fledgling Mantle Plume May Be Cause of African Volcano's Unique Lava
February 1, 2009 -
John Tarduno:
Ancient Turtle Migrated from Asia to America Over a Tropical
Arctic
Recent Publications
Asish Basu
R. Chakrabarti, A.
R.
Basu,
P. K. Bandyopadhyay, and H. Zou, Age and origin of the Chilka
anorthosites, Eastern Ghats, India: Implications for massif anorthosite
petrogenesis and break-up of Rodinia, in press, Monograph,
Springer-Verlag, 2009.
R. Chakrabarti, K. W. W. Sims, A. R.
Basu, M. Reagan, and J.
Durieux, Timescales of magmatic processes and eruption ages of the
Nyiragongo volcanics from 238U-230Th-226Ra-210Pb
disequilibria, Earth and Planetary Science Letters, in press, 2009.
R. B. Georg, A. J. West, A. R.
Basu,
and A. N. Halliday, Silicon fluxes and isotope composition of direct
groundwater discharge into the Bay of Bengal and the effect on the
global ocean silicon isotope budget, Earth and Planetary Science
Letters, v 283, 67-74, 2009.
J.
Wakabayashi, A. Ghatak, and A. R.
Basu,
Supra-subduction zone ophiolite generation, emplacement, and initiation
of subduction: A perspective from geochemistry, metamorphism,
geochronology, and regional geology, Bulletin Geological Society of
America, in press, 2009.
R. Chakrabarti, A.R.
Basu, A.P. Santo, D. Tedesco,
and O. Vaselli,Isotopic and
geochemical evidence for a heterogeneous mantle plume origin of the
Virunga volcanics, Western rift, East African Rift system, Chemical
Geology, v 259, 273-289, 2009.
B.A. Sargent, W.J. Forrest, C.
Tayrien,
M.K. McClure, A. Li, A.R.
Basu, P.
Manoj, D.M. Watson, C.J. Bohac, E. Furlan, K.H. Kim, J.D. Green, and
G.C. Sloan, Silica in Protoplanetary Disks, The Astrophysical Journal,
v 690, 1193-1207, 2009.
S.B. Shirey, B.S. Kamber, M.J.
Whitehouse, P.A. Mueller and A.R.
Basu, A
Review of the isotopic evidence for mantle and crustal processes in the
Hadean and Archean: Implications for the onset of plate tectonic
subduction, Special Paper, Geological Society of America, v 440, 1-29,
2008.
Cindy Ebinger
Ayele, A., D. Keir, C.
Ebinger,
T. Wright, G. Stuart, E. Jacques, G. Ogubazghi, J. Sholan, The
September 2005 mega-dike emplacement in the Manda-Hararo (Afar) nascent
oceanic rift; Insights from seismicity, Geophys. Res.
Letters, in
press, 2009.
Biggs, J., E. Anthony, C.
Ebinger, Multiple active
volcanoes in the Eastern rift, Africa, Geology, in press, 2009.
Basuyau, C., C. Tiberi, S. Leroy, G. Stuart, A. Al-Lazki, K. Al-Toubi, C.
Ebinger, Evidence of partial
melting beneath a continental margin: case of Dhofar, in the Northern
Gulf of Aden (Sultanate of Oman), Geophys. J. Int., in press, 2009.
Hamling, I., A. Ayele, E. Calais, C.
Ebinger, D. Keir, E. Lewi, T.
Wright, G. Yirgu, Geodetic observations of new dyke intrusions in the
Dabbahu rift segment, Afar, Ethiopia, Geophys. J. Int., doi:
10.1111/j.1365-246X.2009.04163.x, 2009.
Keir, D., A. Ayele, E. Calais,
I.
Hamling, C.
Ebinger, T.
J. Wright, E. Jacques, M. Kassim, J.O.S. Hammond, Manahloh Belachew, E.
Baker, J. Rowland, Repeated dike injection sourced beneath the center
of the Dabbahu segment in the Afar rift, Geology, 37, 59-62,
doi:10.1130/G25147A.1 2009.
Calais, E., N. d'Oreye , J. Albaric , A. Deschamps , D.
Delvaux ,
J. Déverchère , C.
Ebinger , R.
Ferdinand , F. Kervyn , A. Macheyeki , A. Oyen , J. Perrot , E. Saria ,
B. Smets , D. Stamps , C. Wauthier, Aseismic strain accommodation by
dyking in a youthful continental rift, East Africa Nature, 456,
doi:10.1038/nature07478, 2008.
Waltham, D., R. Hall, H. P. Smyth, and C.
Ebinger,
Basin formation by volcanic arc loading, Geol. Soc. Amer. Spec. Pub.
436, 11-26, 2008.
Ebinger,
C.,
Keir, D., Ayele, A., Belachew, M., Calais, E., Wright, T., Campbell,
E., Buck, R., Magma intrusion and faulting processes in a zone of
continental rupture: Seismicity of the Dabbahu (Afar) rift,
Geophys. J. Int., doi:
10.1111/j.1365-246X.2008.03877.x,
2008.
Ranganai, R., and C.
Ebinger, Aeromagnetic and
Landsat TM structural interpretation for identifying regional
groundwater exploration targets, south-central Zimbabwe craton, J.
Applied Geophysics, 65, 73-83, 2008.
Ranganai, R., Whaler, K., Ebinger,
C., Gravity anomaly patterns
in the south-central Zimbabwe Archaean craton, J. Afri. Earth Sci., 51,
257-276, 2008.
Stamps, S., Calais, E., Saria, E., Mbede, E., Hartnady, C., Nocquet,
J.-M., Ebinger,
C., Fernandes, R., A
kinematic model for the East African rift system, Geophys. Res. Lett.,
L05304, doi:10.1029/ 2007GL032781, 2008.
Ebinger,
C., The East African rift
system, in Bally, B., and D. G. Roberts (eds.), Phanerozoic Geology of
the World, in press, 2008.
Daly, E., D. Keir., C.
Ebinger, G. Stuart, A. Ayele,
& D. Waltham, Crustal structure of the northern Main Ethiopian
Rift from a tomographic inversion of local
earthquakes, Geophys. J. Int., 172,
1033–1048, 2008.
Udo Fehn
Z.
Lu,
H. Tomaru and U.Fehn
(2008),
Iodine ages of pore waters at Hydrate Ridge (ODP Leg 204), Cascadia
Margin: implications for sources of methane in gas hydrates, Earth
Planet. Sci. Lett., 267, 654-665.
M. Reich, C. Palacios, M.A. Parada, U. Fehn,
E. M.
Cameron, M.I. Leybourne and A. Zúñiga (2008).
Atacamite
formation by deep saline waters in copper deposits from the Atacama
Desert, Chile: Evidence from fluid inclusions, groundwater
geochemistry, TEM, and 36Cl data. Mineralium Deposita, 43, 663-675.
Z. Lu, C. Hensen, U.
Fehn and K. Wallmann (2008),
Halogen and 129I systematics in gas
hydrate fields at the northern Cascadia Margin (IODP Expedition 311)
– Insights from numerical modeling. Geochem. Geophys.
Geosyst.,
9, 10.1029/2008GC002156, 18p.
H. Tomaru, Z. Lu,
U. Fehn and Y. Muramatsu
(2009), Origin of hydrocarbons in the
Green Tuff region of Japan: 129I results from oil field brines and hot
springs in the Akita and Niigata Basins. Chem. Geol., 264, 221-231.
Carmala Garzione
Hoke, G.D., Garzione,
C.N., Araneo, D.C., Latorre,
C., Strecker, M.R. and Williams,
K,J., 2009, Can Quaternary pedogenic carbonates be used to estimate
modern elevations?: Geology (in press).
Croft, D.A., Anaya, F.,
Auerbach, D., Garzione,
C.,
and MacFadden, B.J., 2009, An early to middle Miocene mammal fauna from
Cerdas, Bolivia: Journal of Mammalian Evolution, DOI
10.1007/s10914-009-9115-0.
Garzione,
C.N.,
2008, Surface uplift of Tibet and Cenozoic global cooling: Geology, v.
36, p. 1003-1004.
Hoke G.D., and Garzione,
C.N., 2008, Paleoelevation
and Geomorphic Constraints on the
late Miocene rise of the Andes: Earth and Planetary Science Letters,
v.271, p. 192-201.
Garzione,
C.N,
Hoke, G.D., Libarkin, J.C., Withers, S., MacFadden, B.J., Eiler, J.M.,
Ghosh, P.,Mulch, A., 2008, Rise of the Andes: Science, v. 320, p.
1304-1307.
Gautam Mitra
Kwon, S., Mitra, G. & Perucchio, R. (2007): The Effect of predeformational basin geometry in the kinematic evolution of a thin-skinned orogenic wedge: Insights from three-dimensional finite element modeling of the Provo salient, Sevier fold-thrust belt, Utah. Journal of Geophysical Research 112, B02403, doi:10.1029/2006JB004376.
Robert Poreda
Thomas H. Darrah, Jennifer J. Prutsman-Pfeiffer, Robert J. Poreda,
M. Ellen Campbell, Peter V. Hauschka and Robyn E. Hannigan,
Incorporation of excess gadolinium into human bone from medical
contrast agents. Metallomics, 2009.
K. Garofalo, F. Tassi, O.
Vaselli, A.
Delgado-Huertas ,D. Tedesco,
M. Frische, T. H. Hansteen, R. J.
Poreda, W.
Strauch, Fumarolic gases at Mombacho volcano (Nicaragua):presence of
magmatic gas species and implications for volcanic surveillance .
Bulletin Volcanologie 38, 234-246 (2008)
D. Tedesco, F. Tassi, O.
Vaselli, R.J.
Poreda, T.
Darrah, E. Cuoco, and M.M. Yalire, Gas isotopic signatures (He, C and
Ar) in the Lake Kivu region (Western Branch of the East African Rift
System): geodynamical and volcanological implications. Journal of
Geophysical Research (in press, 2009)
Tassi, F., Vaselli, O.,
Tedesco, D.,
Montegrossi, G., Darrah, T.,
Cuoco, E. Mapendano, M.Y., Poreda,
R.,
Delgado Huertas, A, Water and gas chemistry at Lake Kivu (DRC):
geochemical evidence of vertical and horizontal heterogeneities in a
multi-basin structure Geochemistry, Geophysics and Geosystems
(in
press, 2009)
Carolyn B. Dowling, Robert
J. Poreda,
W. Berry Lyons, The effects of a high meltwater year on the physical
limnology of Lake Fryxell and Lake Hoare, Taylor Valley, Antarctica,
from dissolved gas, tritium, and chlorofluorocarbons. Limnology and
Oceanography (in press, 2009)
John Tarduno
Usui, Y., J.A.
Tarduno, M. Watkeys, A.
Hofmann and R.D. Cottrell, Evidence for
a 3.45 billion-year-old magnetic remanence from conglomerates of South
Africa, Geochem. Geophys. Geosyst., 10, Q09Z07,
doi:10.1029/2009GC002496., 2009.
Doubrovine, P.A.,
J.A. Tarduno and X. Zhao, On
the magnetostratigraphic age of
Nauru Basin basalts of the western Pacific Ocean and timing of Ontong
Java volcanism, Earth Planet. Sci. Lett., vol 287
175-184, doi:10.1016/j.epsl.2009.07.040, 2009.
Tarduno,
J.A.,
Geodynamo history preserved in single silicate crystals: Origins and
long-term mantle control, Elements, 5, 217-222, 2009.
John
Tarduno,
Hans-Peter Bunge, Norm Sleep, Ulrich Hansen,The
Bent
Hawaiian-Emperor Hotspot Track: Inheriting the Mantle Wind , Science,
vol 324, pp 50-53, DOI: 10.1126/science.1161256, 2009.
Deborah Vandermark, John
A. Tarduno,
Donald B. Brinkman, Rory D. Cottrell and Stephanie Mason, A New Late
Cretaceous Macrobaenid Turtle with Asian Affinities From the High
Canadian Arctic: Dispersal via ice-free polar routes, Geology, 39,
183-186, doi:10.1130/G25415A.1, 2009.
Rory D. Cottrell, John
A. Tarduno, John Roberts, The
Kiaman Reversed Polarity
Superchron at Kiama: Toward a field strength estimate based on single
silicate crystals, Physics of the Earth and Planetary Interiors, 169,
49-58, doi:10.1016/j.pepi.2008.07.041, 2008.
Pavel V. Doubrovine and John
A. Tarduno,
A revised kinematic model for the relative motion between Pacific
oceanic plates and North America since the Late Cretaceous, Journal of
Geophysical Research, 113, B121011, doi:10.1029/2008JB005585, 2008.
Pavel V. Doubrovine and John
A. Tarduno,
Linking the Late Cretaceous to Paleogene Pacific plate and the Atlantic
bordering continents using plate circuits and paleomagnetic data,
Journal of Geophysical Research, Vol 113, B07104,
doi:10.1029/2008JB005584, 2008.
John
A. Tarduno,
Hotspots Unplugged, Scientific American, January, 2008 (pages 88-93).