• 304 Citations
  • 9 h-Index
20042018
If you made any changes in Pure these will be visible here soon.

Research Output 2004 2018

  • 304 Citations
  • 9 h-Index
  • 18 Article
  • 1 Conference contribution
  • 1 Review article
2018
1 Citation (Scopus)

Depositional ages and characteristics of Middle-Upper Jurassic and Lower Cretaceous lacustrine deposits in southeastern Mongolia

Hasegawa, H., Ando, H., Hasebe, N., Ichinnorov, N., Ohta, T., Hasegawa, T., Yamamoto, M., Li, G., Erdenetsogt, B. O., Heimhofer, U., Murata, T., Shinya, H., Enerel, G., Oyunjargal, G., Munkhtsetseg, O., Suzuki, N., Irino, T. & Yamamoto, K., 2018 Jan 1, (Accepted/In press) In : Island Arc.

Research output: Contribution to journalArticle

lacustrine deposit
Jurassic
Cretaceous
dolomite
shale
2 Citations (Scopus)

Scanning electron microscope (SEM) microtextural analysis as a paleoclimate tool for fluvial deposits: A modern test

Smith, C., Soreghan, G. S. & Ohta, T., 2018 Jul 1, In : Bulletin of the Geological Society of America. 130, 7-8, p. 1256-1272 17 p.

Research output: Contribution to journalArticle

paleoclimate
fluvial deposit
electron
climate
quartz
2016
14 Citations (Scopus)

Morphology and phylogenetic origin of the spinicaudatan Neodiestheria from the Lower Cretaceous Dalazi Formation, Yanji Basin, north-eastern China

Li, G., Ohta, T., Batten, D. J., Sakai, T. & Kozai, T., 2016 Jul 1, In : Cretaceous Research. 62, p. 183-193 11 p.

Research output: Contribution to journalArticle

basin evolution
Cretaceous
phylogenetics
swelling
fauna
8 Citations (Scopus)

Sedimentation history of the Paleoproterozoic Singhbhum Group of rocks, eastern India and its implications

De, S., Mallik, L., Mazumder, R., Chatterjee, P., Ohta, T., Saito, S. & Chiarenzelli, J., 2016 Dec 1, In : Earth-Science Reviews. 163, p. 141-161 21 p.

Research output: Contribution to journalReview article

sedimentation
sandstone
history
shale
rock
2015
8 Citations (Scopus)
submarine canyon
bathymetry
canyon
basin
sediment

Corrigendum to "Geochemical and Sm-Nd isotopic characteristics of the Late Archaean-Palaeoproterozoic Dhanjori and Chaibasa metasedimentary rocks, Singhbhum craton, E. India: Implications for provenance, and contemporary basin tectonics" [Precambrian Res. 256 (2015) 62-78]

De, S., Mazumder, R., Ohta, T., Hegner, E., Yamada, K., Bhattacharyya, T., Chiarenzelli, J., Altermann, W. & Arima, M., 2015 Jun 1, In : Precambrian Research. 262, p. 121-122 2 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Future lunar mission Active X-ray Spectrometer development: Surface roughness and geometry studies

Naito, M., Hasebe, N., Kusano, H., Nagaoka, H., Kuwako, M., Oyama, Y., Shibamura, E., Amano, Y., Ohta, T., Kim, K. J. & Lopes, J. A. M., 2015 Jul 11, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 788, p. 182-187 6 p.

Research output: Contribution to journalArticle

Lunar missions
X ray spectrometers
surface geometry
surface roughness
Surface roughness
12 Citations (Scopus)

Geochemical and Sm-Nd isotopic characteristics of the Late Archaean-Palaeoproterozoic Dhanjori and Chaibasa metasedimentary rocks, Singhbhum craton, E. India: Implications for provenance, and contemporary basin tectonics

De, S., Mazumder, R., Ohta, T., Hegner, E., Yamada, K., Bhattacharyya, T., Chiarenzelli, J., Altermann, W. & Arima, M., 2015 Jan 1, In : Precambrian Research. 256, p. 62-78 17 p.

Research output: Contribution to journalArticle

metasedimentary rock
Tectonics
provenance
craton
Archean
12 Citations (Scopus)

Palaeo-Mesoproterozoic sedimentation and tectonics of the Singhbhum Craton, eastern India, and implications for global and craton-specific geological events

Mazumder, R., De, S., Ohta, T., Flannery, D., Mallik, L., Chaudhury, T., Chatterjee, P., Ranaivoson, M. A. & Arima, M., 2015, In : Geological Society Memoir. 43, p. 139-149 11 p.

Research output: Contribution to journalArticle

craton
sedimentation
continental freeboard
tectonics
volcanism
9 Citations (Scopus)
principal component analysis
texture
sand
matrix
glacial environment
2014
12 Citations (Scopus)

Confirmation of a Middle Jurassic age for the Eedemt Formation in Dundgobi Province, southeast Mongolia: Constraints from the discovery of new spinicaudatans (clam shrimps)

Li, G., Ando, H., Hasegawa, H., Yamamoto, M., Hasegawa, T., Ohta, T., Hasebe, N. & Ichinnorov, N., 2014, In : Alcheringa. 38, 3, p. 305-316 12 p.

Research output: Contribution to journalArticle

Mongolia
clams
shrimp
Jurassic
China
2 Citations (Scopus)

Improving availability and accuracy of multi- GNSS positioning using QZSS

Kitamura, M., Ohta, T. & Amano, Y., 2014, 27th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2014. Institute of Navigation, Vol. 3. p. 2341-2345 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Navigation
Availability
Satellites
Global positioning system
32 Citations (Scopus)
mudstone
Triassic
Italy
recycling
Jurassic
2011
13 Citations (Scopus)

Early Cretaceous terrestrial weathering in northern China: Relationship between paleoclimate change and the phased evolution of the Jehol Biota

Ohta, T., Li, G., Hirano, H., Sakai, T., Kozai, T., Yoshikawa, T. & Kaneko, A., 2011 Jan, In : Journal of Geology. 119, 1, p. 81-96 16 p.

Research output: Contribution to journalArticle

paleoclimate
biota
weathering
Cretaceous
dinosaur
1 Citation (Scopus)
Compositional Data
Coefficient of variation
Denominator
test
skewness
2008
25 Citations (Scopus)
sorting
provenance
sedimentary rock
weathering
Jurassic
2007
124 Citations (Scopus)

Statistical empirical index of chemical weathering in igneous rocks: A new tool for evaluating the degree of weathering

Ohta, T. & Arai, H., 2007 Jun 15, In : Chemical Geology. 240, 3-4, p. 280-297 18 p.

Research output: Contribution to journalArticle

Igneous rocks
chemical weathering
Weathering
igneous rock
weathering
2004

First occurence of Haugia cf. variabilis (d'Orbigny) (Ammonoidea) from the Lower Jurassic of the Uminoura area, western Kyushu, Japan

Wani, R., Ohta, T. & Hirano, H., 2004 Jun 30, In : Paleontological Research. 8, 2, p. 123-128 6 p.

Research output: Contribution to journalArticle

Toarcian
sequence stratigraphy
stratigraphy
Western European region
lithofacies
26 Citations (Scopus)
factor analysis
sorting
provenance
Jurassic
geochemistry