Location
Havener Center, St. Pat's Ballroom C
Presentation Date
April 21, 2023, 2:00pm-3:00pm
Session
Session 3
Description
The Mogollon-Datil volcanic field is located in southwestern New Mexico is the result of punctuated volcanism and the transition between arc and rift magmatism. The resurgent domes that are the result of the 28 Ma Bursum caldera records the transition from rhyolitic to basaltic andesite volcanism that occurred between 27-26 Ma. Our goal is to determine if the resurgent domes of the Bursum caldera are related in space and time but sourced from different pockets of melt extracted as the result of remobilization of cold storage mushes by injection of intermediate composition magmas. To accomplish this, we will use a combination of new zircon U-Pb ages and trace element contents using isotope dilution thermal ionization mass spectrometry (ID-TIMS) at Purdue University with zircon U-Pb geochronology and trace element contents by laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) at MSU, with previously collected whole rock and mineral trace element contents and isotope geochemistry. Currently we have three U-Pb zircon ages, 27.01 ± .26 Ma, 26.81 ± .50 Ma, 27.67 ± .25 Ma, along with REE contents from 20 samples from the Bursum caldera.
Meeting Name
32nd Annual Spring Meeting of the NASA-Mo Space Grant Consortium
Document Type
Presentation
Document Version
Final Version
File Type
text
Language(s)
English
Rights
© 2023 The Authors, all rights reserved.
MILLION-YEAR MELT-PRESENCE IN MOGOLLON DATIL VOLCANIC FIELD RHYOLITES: CONSTRAINING THE HISTORIES OF THE BURSUM CALDERA RESURGENT DOMES
Havener Center, St. Pat's Ballroom C
The Mogollon-Datil volcanic field is located in southwestern New Mexico is the result of punctuated volcanism and the transition between arc and rift magmatism. The resurgent domes that are the result of the 28 Ma Bursum caldera records the transition from rhyolitic to basaltic andesite volcanism that occurred between 27-26 Ma. Our goal is to determine if the resurgent domes of the Bursum caldera are related in space and time but sourced from different pockets of melt extracted as the result of remobilization of cold storage mushes by injection of intermediate composition magmas. To accomplish this, we will use a combination of new zircon U-Pb ages and trace element contents using isotope dilution thermal ionization mass spectrometry (ID-TIMS) at Purdue University with zircon U-Pb geochronology and trace element contents by laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) at MSU, with previously collected whole rock and mineral trace element contents and isotope geochemistry. Currently we have three U-Pb zircon ages, 27.01 ± .26 Ma, 26.81 ± .50 Ma, 27.67 ± .25 Ma, along with REE contents from 20 samples from the Bursum caldera.
