Follow
Mark A. Helper
Mark A. Helper
Jackson School of Geosciences, University of Texas at Austin
Verified email at jsg.utexas.edu - Homepage
Title
Cited by
Cited by
Year
Paleomagnetic data and U‐Pb isotopic age determinations from Coats Land, Antarctica: Implications for late Proterozoic plate reconstructions
WA Gose, MA Helper, JN Connelly, FE Hutson, IWD Dalziel
Journal of Geophysical Research: Solid Earth 102 (B4), 7887-7902, 1997
1181997
A monumental cemetery built by eastern Africa’s first herders near Lake Turkana, Kenya
EA Hildebrand, KM Grillo, EA Sawchuk, SK Pfeiffer, LB Conyers, ...
Proceedings of the National Academy of Sciences 115 (36), 8942-8947, 2018
772018
Deformation and high P/T metamorphism in the central part of the Condrey Mountain window, north-central Klamath Mountains, California and Oregon
MA Helper
Geological Society of America Memoirs 164, 125-142, 1986
541986
Tracking deep sediment underplating in a fossil subduction margin: Implications for interface rheology and mass and volatile recycling
CM Tewksbury‐Christle, WM Behr, MA Helper
Geochemistry, Geophysics, Geosystems 22 (3), e2020GC009463, 2021
312021
Geologic Map of Trampas Quadrangle, Picuris Mountains, Taos and Rio Arriba Counties, New Mexico
PW Bauer, MA Helper
New Mexico Bureau of Mines and Mineral Resources Geologic Map GM-71, scale 1 …, 1994
31*1994
Stacked, lower Miocene tide-dominated estuary deposits in a transgressive succession, Western Desert, Egypt
SM Hassan, RJ Steel, A El Barkooky, M Hamdan, C Olariu, MA Helper
Sedimentary Geology 282, 241-255, 2012
282012
Motives, methods, and essential preparation for planetary field geology on the Moon and Mars
HH Schmitt, A Snoke, M Helper, J Hurtado, K Hodges, J Rice
Geological Society of America Special Papers 483, 1-15, 2011
252011
Robotic follow-up for human exploration
T Fong, M Bualat, M Deans, B Adams, M Allan, M Altobelli, ...
AIAA SPACE 2010 Conference & Exposition, 8605, 2010
202010
Geologic map of the Condrey Mountain Roadless Area, Siskiyou County, California
RG Coleman, MD Helper, MM Donato
U.S. Geological Survey Miscellaneous Field Study Map MF-1540-A, Scale 1:50,000, 1983
191983
Robotic scouting for human exploration
M Deans, T Fong, P Lee, K Hodges, M Helper, R Landis, S Riley, ...
AIAA Space 2009 Conference & Exposition, 6781, 2009
172009
Interpretation of poly-deformed terranes
S Mosher, M Helper
Basic Methods of Structural Geology, Part I, Elementary techniques …, 1988
171988
The significance of the Condrey Mountain Dome in the evolution of the Klamath Mountains, California and Oregon
RG Coleman, MA Helper
Geological Society of America Abstracts with Programs 15 (5), 294, 1983
17*1983
Nature and age of ductile deformation associated with the “anorogenic” Town Mountain Granite, Llano uplift, central Texas
RM Reed, RC Roback, MA Helper
Basement Tectonics 12: Central North America and Other Regions, 291-292, 1998
151998
Early Cretaceous metamorphic ages and Middle Jurassic U-Pb zircon protolith ages for the Condrey Mountain Schist,Klamath Mountains, northwest California and southwest Oregon
MA Helper, NW Walker, FW McDowell
Geological Society of America Abstracts with Programs 21 (5), 92, 1989
11*1989
Inferring the nature of pyroclastic density currents from tree damage: The 18 May 1980 blast surge of Mount St. Helens, USA
JE Gardner, C Nazworth, MA Helper, BJ Andrews
Geology 46 (9), 795-798, 2018
102018
Geochemical compositions of metavolcanic and metasedimentary rocks, western Jurassic and western Paleozoic and Triassic belts
CG Barnes, MM Donato, MA Barnes, JD Yule, BR Hacker, MA Helper
US Geological Survey Open-File Report 95 (227-A), 63, 1995
101995
Virtual geomagnetic pole positions from 1.1 Ga intrusive rocks of the Llano Uplift, central Texas
MA Helper, WA Gose, RC Roback
Geological Society of America Abstracts with Programs 28 (1), 18, 1996
81996
Geology of the eastern Llano Uplift
MA Helper, JR Kyle
Geology and Historical Mining, Llano Uplift Region, Central Texas: Austin …, 2000
62000
Inks Lake State Park, Valley Spring Gneiss at Spring Creek
MA Helper, S Mosher
Guide to the Precambrian Geology of the Eastern Llano Uplift, Central Texas …, 1996
61996
Evidence for solid-state deformation of∼ 1.1 Ga “anorogenic” granites in the Llano Uplift, Texas
RM Reed, MA Helper
Geological Society of America Abstracts with Programs 26 (1), A25, 1994
61994
The system can't perform the operation now. Try again later.
Articles 1–20