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1. Full Text Joint determination of K-40 decay constants and Ar-40/K-40 for the Fish Canyon sanidine standard, and improved accuracy for Ar-40/Ar-39 geochronology
by Renne, PR and Mundil, R and Balco, G and Min, KW and Ludwig, KR
GEOCHIMICA ET COSMOCHIMICA ACTA, ISSN 0016-7037, 09/2010, Volume 74, Issue 18, pp. 5349 - 5367
Ar-40/Ar-39 and K-Ar geochronology have long suffered from large systematic errors arising from imprecise K and Ar isotopic data for standards and imprecisely... 
U-PB GEOCHRONOLOGY | ZIRCON | GEOCHEMISTRY & GEOPHYSICS | K-AR | CALIBRATION | BISHOP TUFF | INTERCALIBRATION | HALF-LIVES | ID-TIMS | RB-SR | AGE
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2. A Geologic time scale
by Harland, W. B
1982, ISBN 0521247284, xi, 131
Geological time
Book
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3. Full Text Ultra-high precision Ar-40/Ar-39 ages for Fish Canyon Tuff and Alder Creek Rhyolite sanidine: New dating standards required?
by Phillips, D and Matchan, EL
GEOCHIMICA ET COSMOCHIMICA ACTA, ISSN 0016-7037, 11/2013, Volume 121, pp. 229 - 239
The Ar-40/Ar-39 dating technique is a high precision (<0.1%) method with wide application to geological samples. However, the method is predicated on the... 
COBB-MOUNTAIN | GEOCHEMISTRY & GEOPHYSICS | K-40 DECAY CONSTANTS | K-AR | CALIBRATION | U-PB ZIRCON | VOLCANIC-ROCKS | JOINT DETERMINATION | IMPROVED ACCURACY | GEOCHRONOLOGY | ARGON
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4. Full Text A late Caledonian tectono-thermal event in the Gaissa Nappe Complex, Arctic Norway: evidence from fine-fraction K‒Ar dating and illite crystallinity from the Digermulen Peninsula
by Meinhold, Guido and Wemmer, Klaus and Högström, Anette E. S and Ebbestad, Jan Ove R and Jensen, Sören and Palacios, Teodoro and Høyberget, Magne and Agić, Heda and Taylor, Wendy L
GFF, ISSN 1103-5897, 10/2019, Volume 141, Issue 4, pp. 289 - 294
Fine-fraction K‒Ar dating and illite crystallinity determination were applied on a peculiar pale olive green shale sample from the upper Ediacaran Indreelva... 
Caledonides | Devonian | Scandian orogeny | Finnmark | K-Ar geochronology | Ediacaran
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5. Full Text Testing high-voltage electrical discharges in disintegrating claystone for isotopic and mineralogical studies: An example using opalinus claystone horst zwingmann
by Zwingmann, Horst and Berger, Alfons and Eggenberger, Urs and Todd, Andrew and Herwegh, Marco
Clays and Clay Minerals, ISSN 0009-8604, 10/2017, Volume 65, Issue 5, pp. 342 - 354
Opalinus clay | Disintegration methods | Switzerland | K-ar dating
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6. Full Text The origin and degassing history of the Earth's atmosphere revealed by Archean xenon
by Avice, Guillaume and Marty, Bernard and Burgess, Ray
Nature Communications, ISSN 2041-1723, 05/2017, Volume 8, Issue 1, p. 15455
Xenon (Xe) is an exceptional tracer for investigating the origin and fate of volatile elements on Earth. The initial isotopic composition of atmospheric Xe... 
NOBLE-GASES | K-AR | IRRADIATION | EVOLUTION | INTERCALIBRATION | ANOMALOUS XENON | MULTIDISCIPLINARY SCIENCES | ISOTOPIC COMPOSITION | GEOCHRONOLOGY | TERRESTRIAL | ARGON
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7. Full Text Episodic hydrothermal alteration recorded by microscale oxygen isotope analysis of white mica in the Larderello-Travale Geothermal Field, Italy
by Bulle, Florian and Rubatto, Daniela and Ruggieri, Giovanni and Luisier, Cindy and Villa, Igor M and Baumgartner, Lukas
Chemical Geology, ISSN 0009-2541, 01/2020, Volume 532, p. 119288
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8. Stratigraphy
: principles and methods
by Schoch, Robert M
1989, ISBN 0422280211, xii, 375
Geology, Stratigraphic
Book
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9. Full Text High-precision Ar-40/Ar-39 dating of Quaternary basalts from Auckland Volcanic Field, New Zealand, with implications for eruption rates and paleomagnetic correlations
by Leonard, GS and Calvert, AT and Hopkins, JL and Wilson, CJN and Smid, ER and Lindsay, JM and Champion, DE
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH, ISSN 0377-0273, 09/2017, Volume 343, pp. 60 - 74
The Auckland Volcanic Field (AVF), which last erupted ca. 550 years ago, is a late Quaternary monogenetic basaltic volcanic field (ca. 500 km(2)) in the... 
GEOSCIENCES, MULTIDISCIPLINARY | LASCHAMP | K-AR AGES | GEOMAGNETIC EXCURSIONS | WASHINGTON | REDETERMINATION | ARGON GEOCHRONOLOGY | POTASSIUM | LAKE | ABUNDANCES | NORTH-ISLAND
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10. Full Text Geochemical variations in igneous rocks of the Central Andean orocline (13°S to 18°S): Tracing crustal thickening and magma generation through time and space
by Mamani, Mirian and Wörner, Gerhard and Sempere, Thierry
Bulletin of the Geological Society of America, ISSN 0016-7606, 2010, Volume 122, Issue 1-2, pp. 162 - 182
Compositional variations of Central Andean subduction-related igneous rocks reflect the plate-tectonic evolution of this active continental margin through time... 
PAYACHATA VOLCANIC REGION | K-AR | LATE MIOCENE RISE | GEOSCIENCES, MULTIDISCIPLINARY | NORTH CHILEAN ANDES | SUBDUCTION EROSION | COASTAL BATHOLITH | MANTLE LITHOSPHERE | SOUTH-CENTRAL ANDES | BOLIVIAN ALTIPLANO | ALTIPLANO-PUNA PLATEAU | Earth | Crust | Rocks, Igneous | Orogeny | Research | Structure | Identification and classification
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11. Full Text Emergence and evolution of Santa Maria Island (azores)- The conundrum of uplifted islands revisited
by Ramalho, Ricardo S and Helffrich, George and Madeira, José and Cosca, Michael and Thomas, Christine and Quartau, Rui and Hipólito, Ana and Rovere, Alessio and Hearty, Paul J and Ávila, Sérgio P
Bulletin of the Geological Society of America, ISSN 0016-7606, 2017, Volume 129, Issue 3-4, pp. 372 - 391
The growth and decay of ocean-island volcanoes are intrinsically linked to vertical movements. While the causes for subsidence are better understood, uplift... 
LITHOSPHERIC FLEXURE | AZORES TRIPLE JUNCTION | GEOSCIENCES, MULTIDISCIPLINARY | MID-ATLANTIC RIDGE | K-AR AGES | INSULAR SHELVES | PALMA CANARY-ISLANDS | SEA-LEVEL CHANGE | HAWAIIAN-ISLANDS | MORPHOLOGICAL RECORD | SAO-MIGUEL
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12. Full Text Geodynamic setting of Upper Miocene to Quaternary alkaline basalts from Harrat al ‘Uwayrid (NW Saudi Arabia): Constraints from KAr dating, chemical and Sr-Nd-Pb isotope compositions, and petrological modeling
by Altherr, Rainer and Mertz-Kraus, Regina and Volker, Frank and Kreuzer, Hans and Henjes-Kunst, Friedhelm and Lange, Ulrich
LITHOS, ISSN 0024-4937, 04/2019, Volume 330-331, pp. 120 - 138
The volcanic field of Harrat ar Rahah-’Uwayrid (NW Saudi Arabia) consists of an older plateau basalt sequence that overlies Cambrian sandstone and younger... 
Saudi Arabia | Sr–Nd–Pb isotopes | K–Ar age data | Anorogenic basalts | Red Sea | Harrat al ‘Uwayrid
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13. Full Text A reconstruction of Palaeo-Macaronesia, with particular reference to the long-term biogeography of the Atlantic island laurel forests
by José María Fernández-Palacios and Lea de Nascimento and Rüdiger Otto and Juan D. Delgado and Eduardo García-del-Rey and José Ramón Arévalo and Robert J. Whittaker
Journal of Biogeography, ISSN 0305-0270, 2/2011, Volume 38, Issue 2, pp. 226 - 246
Macaronesia is a biogeographical region comprising five Atlantic Oceanic archipelagos: the Azores, Madeira, Selvagen (Savage Islands), Canaries and Cape Verde.... 
Paleoclimatology | Geology | Tropical climates | Flora | Forest ecology | Biogeography | SYNTHESIS | Evolution | Canaries | Archipelagos | Seamounts | Tethyan biogeography | Macaronesia | geological history | oceanic islands | island ontogeny | laurisilva | historical biogeography | Canarian volcanic province | island biogeography | palaeo‐endemic | Historical biogeography | Palaeo-endemic | Island ontogeny | Laurisilva | Island biogeography | Geological history | Oceanic islands | DISTANCE DISPERSAL | MAGNETIC STRATIGRAPHY | K-AR AGES | HAWAIIAN | OCEANIC ISLAND | GEOGRAPHY, PHYSICAL | EVOLUTION | CANARY | GREAT METEOR SEAMOUNT | HOTSPOT | ECOLOGY | LAURACEAE | palaeo-endemic | Ocean circulation | Forests and forestry
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14. Full Text Quantifying Ar-39 recoil in natural hypogene and supergene alunites and jarosites
by Ren, Z and Vasconcelos, PM
GEOCHIMICA ET COSMOCHIMICA ACTA, ISSN 0016-7037, 09/2019, Volume 260, pp. 84 - 98
Hypogene and supergene alunite and jarosite grains in the 500-200, 200-100, 100-50, 50-10, and <10 mu m sieve-size ranges were neutron-irradiated in... 
AR-40-AR-39 | Ar-40/Ar-39 geochronology | Supergene jarosite | MECHANISMS | Ar-39 recoil | NEUTRON-IRRADIATION | GEOCHRONOLOGY | Supergene alunite | GEOCHEMISTRY & GEOPHYSICS | K-AR | KINETICS | Hydrothermal jarosite | Hydrothermal alunite | SAMPLES
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15. Full Text Ar-40/Ar-39 chronostratigraphy of Altiplano-Puna volcanic complex ignimbrites reveals the development of a major magmatic province
by Salisbury, MJ and Jicha, BR and de Silva, SL and Singer, BS and Jimenez, NC and Ort, MH
GEOLOGICAL SOCIETY OF AMERICA BULLETIN, ISSN 0016-7606, 05/2011, Volume 123, Issue 5-6, pp. 821 - 840
The Lipez region of southwest Bolivia is the locus of a major Neogene ignimbrite flareup, and yet it is the least studied portion of the Altiplano-Puna... 
CERRO-PANIZOS | K-AR | UPPER CENOZOIC VOLCANISM | GEOSCIENCES, MULTIDISCIPLINARY | EVOLUTION | LA-PACANA CALDERA | NORTHERN CHILE | CENTRAL ANDEAN PLATEAU | UPPER MIOCENE | BOLIVIAN ALTIPLANO | GEOCHRONOLOGY
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16. Full Text Recent plate re-organization at the Azores Triple Junction: Evidence from combined geochemical and geochronological data on Faial, S. Jorge and Terceira volcanic islands
by Hildenbrand, Anthony and Weis, Dominique and Madureira, Pedro and Marques, Fernando Ornelas
LITHOS, ISSN 0024-4937, 12/2014, Volume 210-211, pp. 27 - 39
The study of volcanism near unstable plate triple junctions (TJs) offers a unique opportunity to investigate the interactions between mantle dynamics and... 
Geochemistry | Melt production | Mantle fertility | K/Ar dating | Lithospheric deformation | Azores Triple Junction | Earth | Chemical properties | Mantle | Volcanism | Analysis | Mid-ocean ridges
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17. Petrological, K-Ar chronological and volcanic geological characteristics of Quaternary Xunke high-Mg# andesites from the Khingan Range
by Liu, Jian Qiang and Chen, Li Hui and Zhong, Yuan and Lim, Wey Hern and Wang, Xiao Jun
Yanshi Xuebao/Acta Petrologica Sinica, ISSN 1000-0569, 2017, Volume 33, Issue 1, pp. 31 - 40
K-Ar dating | Xunke | High-Mg# andesites | Lesser Khingan Kange
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18. Full Text GPS and tectonic evidence for a diffuse plate boundary at the Azores Triple Junction (vol 381, pg 177, 2013)
by Marques, FO and Catalao, JC and DeMets, C and Costa, ACG and Hildenbrand, A
EARTH AND PLANETARY SCIENCE LETTERS, ISSN 0012-821X, 02/2014, Volume 387, pp. 1 - 3
ISLAND EXAMPLE AZORES | GEOCHEMISTRY & GEOPHYSICS | COMBINED K/AR | MAGNETIC DATA | VOLCANIC ISLANDS | ARCHITECTURAL EVOLUTION
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19. Full Text Effects of fluid-rock interaction on Ar-40/Ar-39 geochronology in high-pressure rocks (Sesia-Lanzo Zone, Western Alps)
by Halama, R and Konrad-Schmolke, M and Sudo, M and Marschall, HR and Wiedenbeck, M
GEOCHIMICA ET COSMOCHIMICA ACTA, ISSN 0016-7037, 02/2014, Volume 126, pp. 475 - 494
In situ UV laser spot Ar-40/Ar-39 analyses of distinct phengite types in eclogite-facies rocks from the Sesia-Lanzo Zone (Western Alps, Italy) were combined... 
PRECISE K-AR | GEOCHEMISTRY & GEOPHYSICS | DORA-MAIRA MASSIF | DEFORMED MUSCOVITE | BORON ISOTOPE FRACTIONATION | WHITE MICA | SUBDUCTED SLAB | U-PB | RB-SR | AR-40-AR-39 LASER PROBE | EXCESS ARGON
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20. Full Text Exploring the variability of argon loss in Apollo 17 impact melt rock 77135 using high-spatial resolution Ar-40/Ar-39 geochronology
by Mercer, CM and Hodges, KV and Jolliff, BL and Van Soest, MC and Wartho, JA and Weirich, JR
METEORITICS & PLANETARY SCIENCE, ISSN 1086-9379, 04/2019, Volume 54, Issue 4, pp. 721 - 739
Ar-40/Ar-39 incremental heating experiments on whole-rock lunar samples commonly provide evidence of varying degrees of radiogenic Ar-40 (Ar-40*) loss.... 
LUNAR | GEOCHEMISTRY & GEOPHYSICS | K-AR | AR-40 | ACTIVATION | STATION 7 BOULDER | THERMOCHRONOMETRY | DIFFUSION | AGE SPECTRA | DECAY CONSTANTS | AR-39
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