Matthew J. Zimmerer
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View article: Geologic Mapping in New Mexico: An Update on the New Mexico STATEMAP Program
Geologic Mapping in New Mexico: An Update on the New Mexico STATEMAP Program Open
View article: A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA
A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA Open
New 40Ar/39Ar ages, combined with selected ages from published studies, provide detailed insight into the late Quaternary (<500 ka) eruptive history and related hazards of the Rio Grande rift and Jemez lineament of New Mexico, USA. Most…
View article: Supplemental Material: A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA
Supplemental Material: A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA Open
40Ar/39Ar data tables and related figures.
View article: Supplemental Material: A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA
Supplemental Material: A temporal dissection of late Quaternary volcanism and related hazards within the Rio Grande rift and along the Jemez lineament of New Mexico, USA Open
40Ar/39Ar data tables and related figures.
View article: Precursors to a continental-arc ignimbrite flare-up: Early central volcanoes of the San Juan Mountains, Colorado, USA
Precursors to a continental-arc ignimbrite flare-up: Early central volcanoes of the San Juan Mountains, Colorado, USA Open
Our newly acquired and recently published map, geochronologic, and compositional data for early intermediate-composition central volcanoes in the northeastern San Juan Mountains provide insights about the broad magmatic precursors to the l…
View article: The Calm Before the Volcanic Storm
The Calm Before the Volcanic Storm Open
Geochronologic studies of ignimbrite-caldera systems in the Southern Rocky Mountains indicate significant eruptive hiatuses prior to the onset of caldera collapse-related volcanism.Detailed mapping, combined with hundreds of 40 Ar/ 39 Ar d…
View article: Hydrostratigraphic framework and assessments of permeability and TDS for the Santa Fe Group aquifer in the northwestern Albuquerque basin, Rio Grande rift, NM
Hydrostratigraphic framework and assessments of permeability and TDS for the Santa Fe Group aquifer in the northwestern Albuquerque basin, Rio Grande rift, NM Open
This study differentiates four hydrostratigraphic units (HSUs) in the northwestern Albuquerque basin: the Upper, Middle, and Lower Rio Rancho HSUs underlain by the Zia HSU.This area hosts Rio Rancho (population of 104,000), which relies so…
View article: Geology of the Los Alamos 30 x 60-Minute Quadrangle Study Area, Los Alamos, Santa Fe, and Sandoval Counties, New Mexico
Geology of the Los Alamos 30 x 60-Minute Quadrangle Study Area, Los Alamos, Santa Fe, and Sandoval Counties, New Mexico Open
View article: Geochemical and Petrologic Insights into Alkaline Magma Generation from Mount Waesche, Marie Byrd Land, Antarctica
Geochemical and Petrologic Insights into Alkaline Magma Generation from Mount Waesche, Marie Byrd Land, Antarctica Open
Preliminary 40 Ar/ 39 Ar eruption ages from Mount Waesche, a young stratovolcano (426-96 ka) in the Executive Committee Range in Marie Byrd Land, West Antarctica, indicate the volcano erupts more frequently during interglacial periods.We c…
View article: Zircon U-Pb geochronology and trace element dataset from the Southern Rocky Mountain Volcanic Field, Colorado, USA
Zircon U-Pb geochronology and trace element dataset from the Southern Rocky Mountain Volcanic Field, Colorado, USA Open
View article: <sup>40</sup>Ar/<sup>39</sup>Ar Geochronology Near Rio Grande-Red River Confluence Reveal a Latir Volcanic Field Source for 4.5 to 1.2 Ma Fluvial Deposits and a &lt;1.2 Ma Carving of the Taos Gorge
<sup>40</sup>Ar/<sup>39</sup>Ar Geochronology Near Rio Grande-Red River Confluence Reveal a Latir Volcanic Field Source for 4.5 to 1.2 Ma Fluvial Deposits and a <1.2 Ma Carving of the Taos Gorge Open
The Rio Grande, in conjunction with its associated landscapes, such as the Taos Gorge, provide an ideal environment to study important geomorphic processes that have shaped the region over the past 5 million years. 40 Ar/ 39 Ar geochronolo…
View article: Detailed Investigations of Rendija Canyon Rhyodacite, a Complicated Volcanic Complex in the Sierra De Los Valles, Jemez Mountains Volcanic Field, New Mexico
Detailed Investigations of Rendija Canyon Rhyodacite, a Complicated Volcanic Complex in the Sierra De Los Valles, Jemez Mountains Volcanic Field, New Mexico Open
View article: Rhyolite volcanism in the Marie Byrd Land volcanic province, Antarctica: New evidence for pyroclastic eruptions during latest Pliocene icesheet expansion&#160;
Rhyolite volcanism in the Marie Byrd Land volcanic province, Antarctica: New evidence for pyroclastic eruptions during latest Pliocene icesheet expansion  Open
<p>       IODP Expedition 379 deep-sea drilling in 2019 (Gohl et al. 2021, doi:10.14379/iodp.proc.379.2021), offered an opportunity to obtain chronostratigraphic control for seism…
View article: S1: Active volcanoes in Marie Byrd Land
S1: Active volcanoes in Marie Byrd Land Open
Detailed locations, descriptions and geochemistry of Mount Waesche englacial tephra layers, along with selected other samples, and description of Mount Waesche field campaigns.
View article: Geology and mineral deposits of the Gallinas Mountains, Lincoln and Torrance Counties, New Mexico
Geology and mineral deposits of the Gallinas Mountains, Lincoln and Torrance Counties, New Mexico Open
Rare earth elements (REE) are a group of critical minerals that are essential in most modern electronic devices.In New Mexico, many REE deposits are found in the North American Cordilleran alkaline-igneous belt, a regional zone of Cenozoic…
View article: Chronology of terraces in the Rio Grande rift, Socorro basin, New Mexico: Implications for terrace formation
Chronology of terraces in the Rio Grande rift, Socorro basin, New Mexico: Implications for terrace formation Open
The Rio Grande rift hosts a remarkable record of Quaternary river incision preserved in an alluvial terrace sequence that has been studied for more than a century. However, our understanding of Rio Grande incision history in central New Me…
View article: S1: Active volcanoes in Marie Byrd Land
S1: Active volcanoes in Marie Byrd Land Open
Detailed locations, descriptions and geochemistry of Mount Waesche englacial tephra layers, along with selected other samples, and description of Mount Waesche field campaigns.
View article: Magmato-tectonic links: Ignimbrite calderas, regional dike swarms, and the transition from arc to rift in the Southern Rocky Mountains
Magmato-tectonic links: Ignimbrite calderas, regional dike swarms, and the transition from arc to rift in the Southern Rocky Mountains Open
Radial and linear dike swarms in the eroded roots of volcanoes and along rift zones are sensitive structural indicators of conduit and eruption geometry that can record regional paleostress orientations. Compositionally diverse dikes and l…
View article: Insights into postcaldera magmatism and related hazards using volcanic and plutonic records
Insights into postcaldera magmatism and related hazards using volcanic and plutonic records Open
Ongoing geochronology research of volcanic fields from northern NM and southern CO provide insight into the timescales of postcaldera processes and associated hazards.A small, but growing dataset of ultra-high-precision Ar/Ar ages of ring-…
View article: Detrital Sanidine <sup>40</sup>Ar/<sup>39</sup>Ar Dating: Transforming Sedimentary Rock Geochronology
Detrital Sanidine <sup>40</sup>Ar/<sup>39</sup>Ar Dating: Transforming Sedimentary Rock Geochronology Open
Several pilot studies and recently published papers are demonstrating the potential to transform sedimentary rock geochronology via detrital sanidine (DS) 40 Ar/ 39 Ar dating.Discrete volcanic ash layers are relatively lacking in the sedim…
View article: Turning Toys Into Tools: Unmanned Aircrafts for the 21st Century Geoscientist
Turning Toys Into Tools: Unmanned Aircrafts for the 21st Century Geoscientist Open
Unmanned aircraft systems (UAS), commonly known as "drones", are an established but rapidly developing technology for scientists, engineers, farmers, artists, and numerous other private and public entities.This presentation will introduce …
View article: The Raton-Clayton Volcanic Field: Evaluating Open-System Processes in Magmas Derived Beneath the Great Plains
The Raton-Clayton Volcanic Field: Evaluating Open-System Processes in Magmas Derived Beneath the Great Plains Open
The Raton-Clayton Volcanic Field (RCVF) is located along the western edge of the Great Plains province in northeastern New Mexico at the eastern tip of the Jemez Lineament.The Jemez Lineament is a zone of structural weakness formed by accr…
View article: Volcanic Hazards At The Southwest&rsquo;s Supervolcano: Ongoing Efforts To Temporally Dissect The Eruptive And Magmatic History Of The Valles Caldera
Volcanic Hazards At The Southwest’s Supervolcano: Ongoing Efforts To Temporally Dissect The Eruptive And Magmatic History Of The Valles Caldera Open
Ar/Ar and U/Th ages of the ring-fracture domes at Valles caldera provides critical information to assess the eruption frequency and related hazards.Although large-volume caldera-forming eruptions are impressive and worthy of investigation,…
View article: An ignimbrite caldera from the bottom up: Exhumed floor and fill of the resurgent Bonanza caldera, Southern Rocky Mountain volcanic field, Colorado
An ignimbrite caldera from the bottom up: Exhumed floor and fill of the resurgent Bonanza caldera, Southern Rocky Mountain volcanic field, Colorado Open
Among large ignimbrites, the Bonanza Tuff and its source caldera in the Southern Rocky Mountain volcanic field display diverse depositional and structural features that provide special insights concerning eruptive processes and caldera dev…
View article: Surface uplift above the Jemez mantle anomaly in the past 4 Ma based on<sup>40</sup>Ar/<sup>39</sup>Ar dated paleoprofiles of the Rio San Jose, New Mexico, USA
Surface uplift above the Jemez mantle anomaly in the past 4 Ma based on<sup>40</sup>Ar/<sup>39</sup>Ar dated paleoprofiles of the Rio San Jose, New Mexico, USA Open
We combine 15 new 40Ar/39Ar ages with existing age constraints of basalts to investigate the incision and denudation history of the ~150-km-long Rio San Jose (RSJ) of west-central New Mexico (USA) over the past 4 Ma. Temporal and spatial s…
View article: Vent migration patterns of late Quaternary basaltic volcanism within the Rio Grande rift and along the Jemez Lineament
Vent migration patterns of late Quaternary basaltic volcanism within the Rio Grande rift and along the Jemez Lineament Open
Newly determined high-precision 40 Ar/ 39 Ar ages of basaltic lava flows and cinder cones, in conjunction with previously published low-precision ages, suggest that vent locations within individual volcanic fields of the Rio Grande rift an…
View article: U/Th and <sup>40</sup>Ar/<sup>39</sup>Ar dating provides eruption ages and magmatic evolution for the East Fork Member of the Valles Rhyolite
U/Th and <sup>40</sup>Ar/<sup>39</sup>Ar dating provides eruption ages and magmatic evolution for the East Fork Member of the Valles Rhyolite Open
U/Th and Ar/Ar dating was conducted to determine the age of the youngest eruptions at the Valles caldera.The youngest series of eruptions, collectively known as the East Fork Member of the Valles Rhyolite, includes the co-erupted El Cajete…