Volume 19 Issue 8 | Geology

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Geology of the northern Cleft segment, Juan de Fuca Ridge: Recent lava flows, sea-floor spreading, and the formation of megaplumes

R. W. Embley; W. Chadwick; M. R. Perfit; E. T. Baker

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Geology August 01, 1991, Vol.19, 771-775. doi:https://doi.org/10.1130/0091-7613(1991)019<0771:GOTNCS>2.3.CO;2

Geochemical evidence for a catastrophic biotic event at the Frasnian/Famennian boundary in south China

Kun Wang; Charles J. Orth; Moses Attrep, Jr.; Brian D. E. Chatterton; Hongfei Hou; Helmut H.J. Geldsetzer

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Geology August 01, 1991, Vol.19, 776-779. doi:https://doi.org/10.1130/0091-7613(1991)019<0776:GEFACB>2.3.CO;2

Evidence for an earliest Oligocene abrupt cooling in the surface waters of the Southern Ocean

Wuchang Wei

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Geology August 01, 1991, Vol.19, 780-783. doi:https://doi.org/10.1130/0091-7613(1991)019<0780:EFAEOA>2.3.CO;2

Plutonism, oblique subduction, and continental growth: An example from the Mesozoic of California

Allen F. Glazner

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Geology August 01, 1991, Vol.19, 784-786. doi:https://doi.org/10.1130/0091-7613(1991)019<0784:POSACG>2.3.CO;2

Drumlins carved by deforming till streams below the Laurentide ice sheet

Joseph I. Boyce; Nicholas Eyles

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Geology August 01, 1991, Vol.19, 787-790. doi:https://doi.org/10.1130/0091-7613(1991)019<0787:DCBDTS>2.3.CO;2

Very early Archean crustal-accretion complexes preserved in the North Atlantic craton

Allen P. Nutman; Kenneth D. Collerson

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Geology August 01, 1991, Vol.19, 791-794. doi:https://doi.org/10.1130/0091-7613(1991)019<0791:VEACAC>2.3.CO;2

Mapping of a segment of the Romanche Fracture Zone: A morphostructural analysis of a major transform fault of the equatorial Atlantic Ocean

José Honnorez; Jean Mascle; Christophe Basile; Pierre Tricart; Michel Villeneuve; Hervé Bertrand

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Geology August 01, 1991, Vol.19, 795-798. doi:https://doi.org/10.1130/0091-7613(1991)019<0795:MOASOT>2.3.CO;2

Short-term paleoclimatic fluctuations expressed in lower Mississippian ramp-slope deposits, southwestern Montana

Maya Elrick; J. F. Read; C. Coruh

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Geology August 01, 1991, Vol.19, 799-802. doi:https://doi.org/10.1130/0091-7613(1991)019<0799:STPFEI>2.3.CO;2

Nd-Sr isotopic provenance analysis of Upper Cretaceous Great Valley fore-arc sandstones

Anne M. Linn; Donald J. DePaolo; Raymond V. Ingersoll

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Geology August 01, 1991, Vol.19, 803-806. doi:https://doi.org/10.1130/0091-7613(1991)019<0803:NSIPAO>2.3.CO;2

Seismic anisotropy above a subducting plate

Xiao R. Shih; Robert P. Meyer; John F. Schneider

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Geology August 01, 1991, Vol.19, 807-810. doi:https://doi.org/10.1130/0091-7613(1991)019<0807:SAAASP>2.3.CO;2

New evidence for crustal accretion in the outer Mariana fore arc: Cretaceous radiolarian cherts and mid-ocean ridge basalt-like lavas

Lynn E. Johnson; Patricia Fryer; Brian Taylor; Michelle Silk; David L. Jones; William V. Sliter; Tetsumaru Itaya; Teruaki Ishii

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Geology August 01, 1991, Vol.19, 811-814. doi:https://doi.org/10.1130/0091-7613(1991)019<0811:NEFCAI>2.3.CO;2

Magmatism along the southeast margin of the Yangtze block: Precambrian collision of the Yangtze and Cathysia blocks of China

Chen Jiangfeng; K. A. Foland; Xing Fengming; Xu Xiang; Zhou Taixi

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Geology August 01, 1991, Vol.19, 815-818. doi:https://doi.org/10.1130/0091-7613(1991)019<0815:MATSMO>2.3.CO;2

Oxygen-isotope exchange and mineral alteration in gabbros of the Lower Layered Series, Kap Edvard Holm Complex, East Greenland

Kristen Fehlhaber; Dennis K. Bird

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Geology August 01, 1991, Vol.19, 819-822. doi:https://doi.org/10.1130/0091-7613(1991)019<0819:OIEAMA>2.3.CO;2

Neogene development of the Swan Islands restraining-bend complex, Caribbean Sea

Paul Mann; Stacey A. Tyburski; Eric Rosencrantz

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Geology August 01, 1991, Vol.19, 823-826. doi:https://doi.org/10.1130/0091-7613(1991)019<0823:NDOTSI>2.3.CO;2

Piggyback basin in the Sevier orogenic belt, Utah: Implications for development of the thrust wedge

Timothy F. Lawton; James H. Trexler, Jr.

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Geology August 01, 1991, Vol.19, 827-830. doi:https://doi.org/10.1130/0091-7613(1991)019<0827:PBITSO>2.3.CO;2

Tidal-creek extension and saltwater intrusion in northern Australia

A. David Knighton; Kevin Mills; Colin D. Woodroffe

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Geology August 01, 1991, Vol.19, 831-834. doi:https://doi.org/10.1130/0091-7613(1991)019<0831:TCEASI>2.3.CO;2

Orogeny associated with anticlockwise P-T-t paths: Evidence from low-P, high-T metamorphic terranes in the Arunta inlier, central Australia

W. J. Collins; R. H. Vernon

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Geology August 01, 1991, Vol.19, 835-838. doi:https://doi.org/10.1130/0091-7613(1991)019<0835:OAWAPT>2.3.CO;2

Oxygen-isotope composition of diagenetic calcite in organic-rich rocks: Evidence for ¹⁸O depletion in marine anaerobic pore water

Eytan Sass; Amos Bein; Ahuva Almogi-Labin

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Geology August 01, 1991, Vol.19, 839-842. doi:https://doi.org/10.1130/0091-7613(1991)019<0839:OICODC>2.3.CO;2

Development of the continent-ocean transform boundary of the southern Exmouth Plateau

Juan M. Lorenzo; John C. Mutter; Roger L. Larson

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Geology August 01, 1991, Vol.19, 843-846. doi:https://doi.org/10.1130/0091-7613(1991)019<0843:DOTCOT>2.3.CO;2

Precambrian/Cambrian boundary problem: Carbon isotope correlations for Vendian and Tommotian time between Siberia and Morocco

Mordeckai Magaritz; Joseph L. Kirschvink; Andrew J. Latham; A. Yu. Zhuravlev; A. Yu. Rozanov

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Geology August 01, 1991, Vol.19, 847-850. doi:https://doi.org/10.1130/0091-7613(1991)019<0847:PCBPCI>2.3.CO;2

Biogenic methane from abyssal brine seeps at the base of the Florida escarpment

Christopher S. Martens; Jeffrey P. Chanton; Charles K. Paull

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Geology August 01, 1991, Vol.19, 851-854. doi:https://doi.org/10.1130/0091-7613(1991)019<0851:BMFABS>2.3.CO;2

Evidence for major mass transfer and volume strain during regional metamorphism of pelites

Jay J. Ague

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Geology August 01, 1991, Vol.19, 855-858. doi:https://doi.org/10.1130/0091-7613(1991)019<0855:EFMMTA>2.3.CO;2

Comment and Reply on "Seismic anisotropy due to preferred mineral orientation observed in shallow crustal rocks in southern Alaska"

Stuart Crampin; Thomas M. Brocher; Nikolas I. Christensen

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Geology August 01, 1991, Vol.19, 859-860. doi:https://doi.org/10.1130/0091-7613(1991)019<0859:CAROSA>2.3.CO;2

Comment on "U/Pb zircon and baddeleyite ages for the Palisades and Gettysburg sills of the northeastern United States: Implications for the age of the Triassic/Jurassic boundary"

Ajoy K. Baksi

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Geology August 01, 1991, Vol.19, 860-861. doi:https://doi.org/10.1130/0091-7613(1991)019<0860:COUPZA>2.3.CO;2

Comment and Reply on "Geobarometry, differential block movements, and crustal structure of the southwestern Abitibi greenstone belt, Canada"

Raymond Goldie; Rui Feng; Rob Kerrich

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Geology August 01, 1991, Vol.19, 861-862. doi:https://doi.org/10.1130/0091-7613(1991)019<0861:CAROGD>2.3.CO;2

Comment and Reply on "Late Holocene erosion and colluvium deposition in Swaziland"

Andrew Watson; Andrew Goudie; David Price Williams; George F. Dardis

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Geology August 01, 1991, Vol.19, 862-864. doi:https://doi.org/10.1130/0091-7613(1991)019<0862:CAROLH>2.3.CO;2

Letter

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Geology August 01, 1991, Vol.19, 864. doi:https://doi.org/10.1130/0091-7613(1991)019<0864:L>2.3.CO;2

All Issues

Geology of the northern Cleft segment, Juan de Fuca Ridge: Recent lava flows, sea-floor spreading, and the formation of megaplumes

Geochemical evidence for a catastrophic biotic event at the Frasnian/Famennian boundary in south China

Evidence for an earliest Oligocene abrupt cooling in the surface waters of the Southern Ocean

Plutonism, oblique subduction, and continental growth: An example from the Mesozoic of California

Drumlins carved by deforming till streams below the Laurentide ice sheet

Very early Archean crustal-accretion complexes preserved in the North Atlantic craton

Mapping of a segment of the Romanche Fracture Zone: A morphostructural analysis of a major transform fault of the equatorial Atlantic Ocean

Short-term paleoclimatic fluctuations expressed in lower Mississippian ramp-slope deposits, southwestern Montana

Nd-Sr isotopic provenance analysis of Upper Cretaceous Great Valley fore-arc sandstones

Seismic anisotropy above a subducting plate

New evidence for crustal accretion in the outer Mariana fore arc: Cretaceous radiolarian cherts and mid-ocean ridge basalt-like lavas

Magmatism along the southeast margin of the Yangtze block: Precambrian collision of the Yangtze and Cathysia blocks of China

Oxygen-isotope exchange and mineral alteration in gabbros of the Lower Layered Series, Kap Edvard Holm Complex, East Greenland

Neogene development of the Swan Islands restraining-bend complex, Caribbean Sea

Piggyback basin in the Sevier orogenic belt, Utah: Implications for development of the thrust wedge

Tidal-creek extension and saltwater intrusion in northern Australia

Orogeny associated with anticlockwise P-T-t paths: Evidence from low-P, high-T metamorphic terranes in the Arunta inlier, central Australia

Oxygen-isotope composition of diagenetic calcite in organic-rich rocks: Evidence for ¹⁸O depletion in marine anaerobic pore water

Development of the continent-ocean transform boundary of the southern Exmouth Plateau

Precambrian/Cambrian boundary problem: Carbon isotope correlations for Vendian and Tommotian time between Siberia and Morocco

Biogenic methane from abyssal brine seeps at the base of the Florida escarpment

Evidence for major mass transfer and volume strain during regional metamorphism of pelites

Comment and Reply on "Seismic anisotropy due to preferred mineral orientation observed in shallow crustal rocks in southern Alaska"

Comment on "U/Pb zircon and baddeleyite ages for the Palisades and Gettysburg sills of the northeastern United States: Implications for the age of the Triassic/Jurassic boundary"

Comment and Reply on "Geobarometry, differential block movements, and crustal structure of the southwestern Abitibi greenstone belt, Canada"

Comment and Reply on "Late Holocene erosion and colluvium deposition in Swaziland"

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