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Annual Meeting

From Volcanoes to Vineyards: Living with Dynamic Landscapes
18-21 October, Portland, Oregon USA

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submissions due 11 August

Photo Contest
submissions due 1 August

Register by 31 July, get $10

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Late Cretaceous–Paleocene formation of the proto–Zagros foreland basin, Lurestan Province, SW Iran

The Chulitna terrane of south-central Alaska: A rifted volcanic arc caught between the Wrangellia composite terrane and the Mesozoic margin of North America

Structure and age of volcanic fissures on Mount Morning: A new constraint on Neogene to contemporary stress in the West Antarctic Rift, southern Victoria Land, Antarctica

"Block-in-matrix" fabrics that lack shearing but possess composite cleavage planes: A sedimentary mélange origin for the Yuwan accretionary complex in the Ryukyu island arc, Japan

Rough crust subduction, forearc kinematics, and Quaternary uplift rates, Costa Rican segment of the Middle American Trench

Reinterpretation of the Greenbrier fault, Great Smoky Mountains: New petrofabric constraints and implications for southern Appalachian tectonics

The Chiwaukum Structural Low: Cenozoic shortening of the central Cascade Range, Washington State, USA

500 m.y. of thermal history elucidated by multi-method detrital thermochronology of North Gondwana Cambrian sandstone (Eilat area, Israel)

Glacial geology and chronology of Bishop Creek and vicinity, eastern Sierra Nevada, California

Sediment yield from the tectonically active semiarid Western Transverse Ranges of California

The persistence of waterfalls in fractured rock

Degassing of mantle-derived CO2 and He from springs in the southern Colorado Plateau region—Neotectonic connections and implications for groundwater systems

A high-resolution seismic CHIRP investigation of active normal faulting across Lake Tahoe Basin, California-Nevada

Paleoenvironmental reconstruction and water balance of a mid-Pleistocene pluvial lake, Dakhleh Oasis, Egypt

Geologic and taphonomic context of El Bosque Petrificado Piedra Chamana (Cajamarca, Peru)

Hydrogen and oxygen isotopic compositions of lake water in the western United States

Beyond threshold hillslopes: Channel adjustment to base-level fall in tectonically active mountain ranges

The 132 Ma Comei-Bunbury large igneous province: Remnants ideied in present-day southeastern Tibet and southwestern Australia

Impact of eustatic amplitude variations on shelf morphology, sediment dispersal, and sequence stratigraphic interpretation: Icehouse versus greenhouse systems

The 1500-year climate oscillation in the midlatitude North Pacific during the Holocene

Supercontinent reconstruction from recognition of leading continental edges

Mid-Pliocene Asian monsoon intensification and the onset of Northern Hemisphere glaciation

Magmatic plumbing of a large Permian caldera exposed to a depth of 25 km

Mafic dikes displacing Witwatersrand gold reefs: Evidence against metamorphic-hydrothermal ore formation

Variations in 238U/235U in uranium ore deposits: Isotopic signatures of the U reduction process?

Plant-driven fungal weathering: Early stages of mineral alteration at the nanometer scale

Late Miocene onset of the Amazon River and the Amazon deep-sea fan: Evidence from the Foz do Amazonas Basin

Facies model for fluvial systems in the seasonal tropics and subtropics

"Nanogranite" and glassy inclusions: The anatectic melt in migmatites and granulites

Biogenic origin for Earth's oldest putative microfossils

How long was Meridiani Planum wet? Applying a jarosite stopwatch to determine the duration of aqueous diagenesis

Products of neptunian eruptions

Does the topographic distribution of the central Andean Puna Plateau result from climatic or geodynamic processes?

Low Quaternary slip rate reconciles geodetic and geologic rates along the Altyn Tagh fault, northwestern Tibet

Morphometry and evolution of arc volcanoes

Rugged crater ejecta as a guide to megaregolith thickness in the southern nearside of the Moon

Megathrust earthquakes can nucleate in the forearc mantle: Evidence from the 2004 Sumatra event

Porphyroblast rotation and strain localization: Debate settled!

Were deep cratonic mantle roots hydrated in Archean oceans?

The message in the bottle: "Melt" inclusions in migmatitic garnets

Basin geometry and cumulative offsets in the Eastern Transverse Ranges, southern California: Implications for transrotational deformation along the San Andreas fault system

Transition from subduction to arc-continent collision: Geologic and neotectonic evolution of Savu Island, Indonesia

Reconstructing late Cenozoic deformation in central Panamint Valley, California: Evolution of slip partitioning in the Walker Lane

Active structures of the Himalayan-Tibetan orogen and their relationships to earthquake distribution, contemporary strain field, and Cenozoic volcanism

Growth, behavior, and textural sector zoning of biotite porphyroblasts during regional metamorphism and the implications for interpretation of inclusion trails: Insights from the Pequop Mountains and Wood Hills, Nevada, USA

Fault interaction and along-strike variation in throw in the Pajarito fault system, Rio Grande rift, New Mexico

Determining relative magma and host rock xenolith rheology during magmatic fabric formation in plutons: Examples from the middle and upper crust

Growth and zoning of the Hortavær intrusive complex, a layered alkaline pluton in the Norwegian Caledonides

Seafloor-hydrothermal Si-Fe-Mn exhalites in the Pecos greenstone belt, New Mexico, and the redox state of ca. 1720 Ma deep seawater

Climate forcing by iron fertilization from repeated ignimbrite eruptions: The icehouse–silicic large igneous province (SLIP) hypothesis

Does the mantle control the maximum thickness of cratons?

Quantifying the climatic and tectonic controls on hillslope steepness and erosion rate

Evolution of the lithospheric mantle in an extensional setting: Insights from ophiolitic peridotites

Heat-flow anomalies crossing New Mexico along La Ristra seismic profile

Deep geometry and rheology of an orogenic wedge developing above a continental subduction zone: Seismological evidence from the northern-central Apennines (Italy)

Influence of dynamic topography on sea level and its rate of change

On the relation between trench migration, seafloor age, and the strength of the subducting lithosphere

Fault frequency and strain

Understanding the Great Ordovician Biodiversification Event (GOBE): Influences of paleogeography, paleoclimate, or paleoecology

The impact of snowmelt on the late Cenozoic landscape of the southern Rocky Mountains, USA

Back to the future: Greenland's contribution to sea-level change

Special Paper 457:
Did Westward Subduction Cause
Cretaceous–Tertiary Orogeny in the
North American Cordillera?

Memoir 204:
Backbone of the Americas:
Shallow Subduction, Plateau Uplift, and
Ridge and Terrane Collision

Memoir 203:
The Revolution in Geology
from the Renaissance to the Enlightenment

Special Paper 454:
Earth Science in the Urban Ocean:
The Southern California Continental Borderland

Public Policy

Geosciences Garner Highest Growth Rate in NSF Budget Request — Not including stimulus funds.
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Join GSA PolicyComNet, a new online geoscience-based networking tool to assist GSA members in planning communications with public policy officials on pending regional, state, and local decisions.

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