Late Pleistocene granodiorite beneath Crater Lake caldera, Oregon, dated by ion microprobe

Geology

Volumn 28, Issue 5, 2000, Pages 467-470

  Bacon, C R ^a   Persing, H M ^a   Wooden, J L ^a   Ireland, T R ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

Calderas; Geochronology; Granodiorite; Ion probe; Zircon

Indexed keywords

BINARY ALLOYS; GEOCHRONOLOGY; ION MICROSCOPES; IONS; LAKES; LEAD ALLOYS; SHELLFISH; SILICATE MINERALS; TECTONICS; ZIRCON;

CALDERA-FORMING ERUPTION; CALDERAS; EXPLOSIVE ERUPTION; GRANODIORITE; ION MICROPROBE U-PB DATING; ION PROBE; LATE PLEISTOCENE; SENSITIVE HIGH-RESOLUTION ION MICROPROBE;

THORIUM ALLOYS;

CALDERA; GEOCHRONOLOGY; GRANODIORITE; ION MICROPROBE; PLEISTOCENE; URANIUM SERIES DATING; ZIRCON;

CRATER LAKE; OREGON; UNITED STATES;

EID: 84874996787     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(2000)028<0467:LPGBCL>2.3.CO;2     Document Type: Article

References (19)

1. Eruptive history of Mount Mazama and Crater Lake caldera, Cascade Range, U.S.A
2. Partially melted granodiorite and related rocks ejected from Crater Lake caldera, Oregon
3. The geologic setting of Crater Lake, Oregon
4. 18O silicic magmas: Quenched samples of a magma chamber's partially-fused granitoid walls
5. 2, Cl, and F in melt inclusions in phenocrysts from three Holocene explosive eruptions, Crater Lake, Oregon
6. Multiple isotopic components in Quaternary volcanic rocks of the Cascade arc near Crater Lake, Oregon
7. A tale of two eras: Pliocene-Pleistocene unroofing of Cenozoic and late Archean zircons from active metamorphic core complexes, Solomon Sea, Papua New Guinea
8. 39Ar and U-Pb study
9. Petrology of the zoned calcalkaline magma chamber of Mount Mazama, Crater Lake, Oregon
10. Ion microprobe mass spectrometry: Techniques and applications in cosmochemistry, geochemistry and geochronology
11. Effect of initial radioactive-daughter disequilibrium on U-Pb isotope apparent ages of young minerals
12. Evidence for long residence times of rhyolitic magma in the Long Valley magmatic system: The isotopic record in the precaldera lavas of Glass Mountain
13. Anomalous isotopic composition of lead in young zircons
14. Origin of phenocrysts and compositional diversity in pre-Mazama rhyodacite lavas, Crater Lake, Oregon
15. U-Pb ages of Duluth complex and related mafic intrusions, northeastern Minnesota: Geochronological insights to physical, petrogenetic, paleomagnetic, and tectonomagmatic processes associated with the 1.1 Ga mid-continent rift system
16. 238U ion microprobe dating of young zircons
17. 230Th disequilibrium on young U-Pb ages: The Makalu case, Himalaya
18. U/Pb dating of discordant 0.1 Ma old secondary U minerals