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The late Holocene Nealtican lava-flow field, Popocatépetl volcano, central Mexico: Emplacement dynamics and future hazards
New insights on Br speciation in volcanic glasses and structural controls on halogen degassing
Petrology of “Mt. Shasta” high-magnesian andesite (HMA): A product of multi-stage crustal assembly
Water transfer during magma mixing events: Insights into crystal mush rejuvenation and melt extraction processes
Physicochemical parameters of crystallization of melts in intermediate suprasubduction chambers (by the example of Tolbachik and Ichinskii Volcanoes, Kamchatka Peninsula)
Experimental temperature cycling as a powerful tool to enlarge melt pools and crystals at magma storage conditions
Dissolved Cl, oxygen fugacity, and their effects on Fe behavior in a hydrous rhyodacitic melt
Bubble formation during decompression of andesitic melts
Adsorption of sulfur dioxide on volcanic ashes
The 36–18 Ma Indian Peak–Caliente ignimbrite field and calderas, southeastern Great Basin, USA: Multicyclic super-eruptions
Introduction: The 36–18 Ma southern Great Basin, USA, ignimbrite province and flareup: Swarms of subduction-related supervolcanoes
Origin of crosscutting dissolution surfaces in magmatic plagioclase
The determination of sulfate and sulfide species in hydrous silicate glasses using Raman spectroscopy
Tectonic, magmatic, and metamorphic history of the New Jersey Highlands: New insights from SHRIMP U-Pb geochronology
New U-Pb sensitive high-resolution ion microprobe (SHRIMP) ages from zircon and monazite document a 350 m.y. geologic evolution for the New Jersey Highlands. Two pulses of calc-alkaline magmatism that include the Wanaque tonalitic gneiss (1366 ± 9 Ma and 1363 ± 17 Ma) and Losee Suite tonalitic gneiss (1282 ± 7 Ma), dacitic gneiss (1254 ± 5 Ma), and dioritic gneiss (1248 ± 12 Ma) represent the southern continuation of eastern Laurentian margin arc activity. Supracrustal paragneisses, marble, and cogenetic metavolcanic rocks were deposited in a backarc basin inboard of the Losee arc. Ages of 1299 ± 8 Ma to 1240 ± 17 Ma for rhyolitic gneisses provide lower and upper limits, respectively, for the age of the supracrustal succession. Inherited cores in zircon grains from supracrustal rhyolitic gneiss and from Losee Suite rocks yield overlapping ages of 1.39–1.30 Ga and indicate proximity to an older arc source temporally equivalent to the Wanaque tonalitic gneiss. Location of the backarc inboard of the Losee arc implies a northwest-dipping subduction zone at this time beneath the eastern Laurentian margin. A-type granite magmatism of the Byram and Lake Hopatcong intrusive suites at 1188 ± 6 Ma to 1182 ± 11 Ma followed termination of arc and backarc magmatism and documents a change to decompression melting of delaminated lithospheric mantle by upwelling asthenospheric mantle. Waning stages of A-type granite magmatism include clinopyroxene granite (1027 ± 6 Ma) and postorogenic Mount Eve Granite (1019 ± 4 Ma). Overgrowths on zircon and monazite give ages of 1045–1024 Ma, fixing the timing of granulite-facies metamorphism in the New Jersey Highlands; other overgrowth ages of 996–989 Ma reflect the thermal effects of postorogenic felsic magmatism and hydrothermal activity associated with regional U–Th–rare earth element (REE) mineralization.