Issues
Volume 15, Number 3
1 June 2019
EISSN 1553-040X
In this Issue
Pleistocene hydrothermal activity on Brokeoff volcano and in the Maidu volcanic center, Lassen Peak area, northeast California: Evolution of magmatic-hydrothermal systems on stratovolcanoes
Geosphere April 26, 2019, Vol.15, 946-982. doi:10.1130/GES02049.1
THEMED ISSUE: Subduction Top to Bottom 2
Lu-Hf and Sm-Nd geochronological constraints on the influence of subduction metamorphism in controlling the Hf-Nd terrestrial array: Evidence from the world’s orogenic belts
Geosphere March 19, 2019, Vol.15, 607-620. doi:10.1130/GES02051.1
The robustness of Sr/Y and La/Yb as proxies for crust thickness in modern arcs
Geosphere March 29, 2019, Vol.15, 621-641. doi:10.1130/GES01667.1
The role of the upper plate in controlling fluid-mobile element (Cl, Li, B) cycling through subduction zones: Hikurangi forearc, New Zealand
Geosphere April 09, 2019, Vol.15, 642-658. doi:10.1130/GES02057.1
Eocene initiation of the Cascadia subduction zone: A second example of plume-induced subduction initiation?
Geosphere April 15, 2019, Vol.15, 659-681. doi:10.1130/GES02050.1
THEMED ISSUE: Geologic Evolution of the Alaska Range and Environs
A river runs through it both ways across time: 40Ar/39Ar detrital and bedrock muscovite geochronology constraints on the Neogene paleodrainage history of the Nenana River system, Alaska Range
Geosphere April 15, 2019, Vol.15, 682-701. doi:10.1130/GES01673.1
THEMED ISSUE: Human Dimensions in Geoscience
What perceptions do scientists have about their potential role in connecting science with policy?
Geosphere April 15, 2019, Vol.15, 702-715. doi:10.1130/GES02018.1
THEMED ISSUE: Cenozoic Tectonics, Magmatism, and Stratigraphy of the Snake River Plain–Yellowstone Region and Adjacent Areas
40Ar/39Ar and paleomagnetic constraints on the age and areal extent of the Picabo volcanic field: Implications for the Yellowstone hotspot
Geosphere May 08, 2019, Vol.15, 716-735. doi:10.1130/GES01589.1
Volcanic stratigraphy and age model of the Kimama deep borehole (Project Hotspot): Evidence for 5.8 million years of continuous basalt volcanism, central Snake River Plain, Idaho
Geosphere March 19, 2019, Vol.15, 736-758. doi:10.1130/GES01679.1
THEMED ISSUE: CRevolution 2: Origin and Evolution of the Colorado River System II
Birth and evolution of the Virgin River fluvial system: ∼1 km of post–5 Ma uplift of the western Colorado Plateau
Geosphere April 17, 2019, Vol.15, 759-782. doi:10.1130/GES02019.1
Current Issue Articles
The Tahoe-Sierra frontal fault zone, Emerald Bay area, Lake Tahoe, California: History, displacements, and rates
Geosphere March 19, 2019, Vol.15, 783-819. doi:10.1130/GES02022.1
Pleistocene to recent geomorphic and incision history of the northern Rio Grande gorge, New Mexico: Constraints from field mapping and cosmogenic 3He surface exposure dating
Geosphere April 26, 2019, Vol.15, 820-838. doi:10.1130/GES02017.1
Identification of a global sequence boundary within the upper Homerian (Silurian) Mulde Event: High-resolution chronostratigraphic correlation of the midcontinent United States with Sweden and the United Kingdom
Geosphere March 29, 2019, Vol.15, 839-855. doi:10.1130/GES01685.1
Geologic framework of the northern Indo-Burma Ranges and lateral correlation of Himalayan-Tibetan lithologic units across the eastern Himalayan syntaxis
Geosphere April 09, 2019, Vol.15, 856-881. doi:10.1130/GES02054.1
Active dextral strike-slip faulting records termination of the Walker Lane belt at the southern Cascade arc in the Klamath graben, Oregon, USA
Geosphere May 01, 2019, Vol.15, 882-900. doi:10.1130/GES02043.1
Polyphase kinematic history of transpression along the Mecca Hills segment of the San Andreas fault, southern California
Geosphere April 09, 2019, Vol.15, 901-934. doi:10.1130/GES02027.1
The 2015 Ms 6.5 Pishan earthquake, Northwest Tibetan Plateau: A folding event in the western Kunlun piedmont
Geosphere April 17, 2019, Vol.15, 935-945. doi:10.1130/GES02063.1
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Cover Image
Cover Image
CAPTION: Recently replenished saltwater Lake Urmia (northwest Iran) is seen in this 12 April 2019 image. Once covering a surface area of 5000 km2, drought and high demand for water beginning in the 1970s diminished its size by 80%. Then, after heavy rainfall in fall 2018 and spring 2019 and seasonal snowmelt runoff, the lake surged to roughly 3000 km2 in April 2019.
CREDIT: NASA Earth Observatory image by Lauren Dauphin, using Moderate Resolution Imaging Spectroradiometer (MODIS) data from NASA EOSDIS/LANCE and GIBS/Worldview. Image acquired by MODIS on NASA’s Terra satellite.
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