Sheathfolds in rheomorphic ignimbrites

Bulletin of Volcanology

Volumn 66, Issue 6, 2004, Pages 485-491

  Branney, M J ^a   Barry, T L ^b   Godchaux, M ^c  

^a UNIVERSITY OF LEICESTER   (United Kingdom)

^b CARDIFF UNIVERSITY   (United Kingdom)

^c Idaho Geological Survey   (United States)

Author keywords

Ignimbrite; Pyroclastic flows; Rheomorphism; Shear zone; Sheathfold; Welded tuff

Indexed keywords

IGNIMBRITE; PYROCLASTIC FLOW; SHEAR ZONE; TUFF;

EID: 20444472790     PISSN: 02588900     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00445-003-0332-8     Document Type: Article

References (20)

1. Alsop GI, Holdsworth RE (2002) The geometry and kinematics of flow perturbation folds. Tectonophysics 350:99-125 10.1016/ S0040-1951(02)00084-7
2. Bonnichsen B, Christiansen RL, Morgan LA, Moye FJ, Hackett WR, Leeman WP, Honjo N, Jenks MD, Godchaux MM (1989) Excursion 4A: Silicic volcanic rocks in the Snake River Plain-Yellowstone Plateau province. New Mexico Bureau of Mines and Mineral Resour Mem 47:135-182
3. Bonnichsen B, Kaufmann DF (1989) Physical features of rhyolite lava flows in the Snake River Plain volcanic province, southwestern Idaho. Geol Soc Am Spec Pap 212:119-145
4. Branney MJ, Kokelaar BP (1992) A reappraisal of ignimbrite emplacement: changes from particulate to non-particulate flow during progressive aggradation of high-grade ignimbrite. Bull Volcanol 54:504-20
5. Branney MJ, Kokelaar BP (2002) Pyroclastic density currents and the sedimentation of ignimbrites. Geol Soc Lond Mem 27:1-143
6. Branney MJ, Kokelaar BP, McConnell BJ (1992) The Bad Step Tuff: A lava-like rheomorphic ignimbrite in a calc-alkaline piecemeal caldera, English Lake District. Bull Volcanol 54:187-199
7. Capaccioni B, Nappi G, Valentini L (2001) Directional fabric measurements: An investigative approach to transport and depositional mechanisms in pyroclastic flows. J Volcanol Geotherm Res 107:275-292 10.1016/S0377-0273(00)00316-4
8. Chapin CE, Lowell GR (1979) Primary and secondary flow structures in ash-flow tuffs of the Gribbles Run Paleovalley, central Colorado. In: Chapin CE, Elston WE (eds) Ash flow tuffs. Geol Soc Am Spec Pap 180:137-154 1:CAS:528:DyaL3cXhtFeku7k%3D
9. Henry CD, Price JG, Parker DF, Wolff JA (1989) Excursion 9A: Mid-Tertiary silicic alkalic volcanism of Trans-Pecos Texas: Rheomorphic tuffs and extensive silicic lavas. New Mexico Bureau of Mines and Mineral Resour Mem 46:231-274
10. Henry CD, Wolff JA (1992) Distinguishing strongly rheomorphic tuffs from extensive silicic lavas. Bull Volcanol 54:171-186
11. Kokelaar P, Königer S (2000) Marine emplacement of welded ignimbrite: The Ordovician Pitts Head Tuff, North Wales. J Geol Soc Lond 157:517-536
12. Leat PT (1985) Facies variations in peralkaline ash-flow tuffs from the Kenya Rift Valley. Geol Mag 122:139-150
13. Mahood GA (1984) Pyroclastic rocks and calderas associated with strongly peralkaline volcanic rocks. J Geophys Res 89:8540-8552 1:CAS:528:DyaL2cXlvFGgsbg%3D
14. Mahood GA, Hildreth W (1986) Geology of the peralkaline volcano at Pantelleria, Straits of Sicily. Bull Volcanol 48:143-172
15. Milner SC, Duncan AR, Ewart A (1992) Quartz latite rheoignimbrite flows of the Etendeka Formation, north-western Namibia. Bull Volcanol 54:200-219
16. Passchier CW, Trouw RAJ (1996) Microtectonics. Springer, Berlin Heidelberg New York, 289 pp
17. Schmincke H-U, Swanson DA (1967) Laminar viscous flowage structures in ash-flow tuffs from Gran Canaria, Canary Islands. J Geol 75:641-664 1:CAS:528:DyaF1cXovFShsQ%3D%3D
18. Schmincke H-U, with contributions by Freundt A, Ferriz H, Kobberger G, Leat P (1993) Geological field guide to Gran Canaria, 6th edn. Pluto Press, Kiel, FRG, pp 1-227
19. Sumner JM, Branney MJ (2002) Emplacement and deformation of a heterogeneous, chemically zoned, rheomorphic and locally lava-like peralkaline ignimbrite sheet: TL on Gran Canaria. J Volcanol Geotherm Res 115:109-138 10.1016/S0377-0273(01)00311-0
20. Wolff JA, Wright JV (1981) Rheomorphism of welded tuffs. J Volcanol Geotherm Res 10:13-34 10.1016/0377-0273(81)90052-4