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The AAPG/Datapages Combined Publications Database

Showing 5,367 Results. Searched 196,426 documents.

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Abstract: The Early to Late Devonian North Pole Stream granitic suite: a strongly peraluminous granitic complex hosting a intragranitc vein-type uranium deposit, New Brunswick

David A. Shinkle, David R. Lentz, Steven McCutcheon

Atlantic Geology

...) and therefore it can be considered a high-heat producing granite. Post-crystallization of the NPSG, hydrothermal convection cells driven by radiogenic...

2011

Abstract: Form, distribution, and genesis of gold within the contact metasomatic aureole of the Early Devonian Lake George granodiorite, southwestern New Brunswick

C. P. E. Lentz, C. R. M. McFarlane, K. R. Thorne

Atlantic Geology

... hydrothermal system, although gold is also present within some of the generations of antimony mineralization. Determining the style and location of gold...

2012

ABSTRACT: High Planktonic Foraminiferal Species Turnover, Enhanced Vertical Ocean Mixing, and "Coolhouse" Climatic Conditions across the Aptian-Albian Boundary Interval

Brian T. Huber, R. Mark Leckie, Kenneth G. MacLeod

GCAGS Transactions

... across this boundary suggests increased hydrothermal activity leading to a secular change in ocean carbonate chemistry, which may have been...

2008

Abstract: Sediment geochemistry as a provenance indicator: climate change, tectonism, and volcanism in the hinterland of the Scotian Basin, offshore eastern Canada

Yuanyuan Zhang, Georgia Pe-Piper, David J. W. Piper

Atlantic Geology

... high Nb and Ta, derived from fluvial erosion of ash from the Labrador rift. Mississippi-Valley type hydrothermal mineralization of shales...

2013

Abstract: Coupled Ti-in-quartz thermometry and cathodoluminescence imaging: a potential technique for investigating the thermal history of partially melted rocks

Jillian L. Kendrick, Aphrodite Indares

Atlantic Geology

... a subject of interest in the fields of metamorphic, igneous, and hydrothermal deposit petrology. The Ti content of quartz has been positively correlated...

2016

Abstract: Lithogeochemical and Nd isotopic provenance studies of metalliferous mudstones associated with the Lemarchant volcanogenic massive sulphide deposit, central Newfoundland, Canada

Stefanie Lode, Stephen J. Piercey, Jonathan Cloutier

Atlantic Geology

... metalliferous mudstones that precipitated from hydrothermal fluids, represent mixed Nd sources with Nd inherited from the Tally Pond volcanic rocks...

2016

Abstract: Geological and Geochemical Characteristics of the Tersang Gold Deposit in the Central Gold Belt, Peninsular Malaysia

Charles Makoundi

Geological Society of Malaysia (GSM)

... of the magmatic hydrothermal fluid at Tersang. Lead isotope ratios are 18.59 for Pb206/Pb204 and 15.75 for Pb207/Pb204 suggesting that lead was probably derived...

2012

Abstract: Characteristics of epithermal-style gold occurrences at the Goldy and Irene showings, Dawson Range, Yukon Territory, Canada: towards a first model

R. Mann, M. Kerr, J. Hanely, T. Baressi

Atlantic Geology

... showings constitute part of a single hydrothermal system that had several mineralizing centers along common structures or in relation to a common heat...

2017

Abstract: The mineralogy, paragenesis, and petrogenesis of the polymetallic (Co-Ni-Au-Ag-Bi) veins of the Nictaux Falls Dam occurrence, Annapolis Valley, Nova Scotia, Canada

Natalie McNeil, Erin Adlakha, Nicole Kennedy, Mitchell Kerr, Geoff Baldwin, John Wightman

Atlantic Geology

... initiated as a ductile shear zone and was reactivated as a brittle fault zone during hydrothermal, mineralizing activity. The far western end...

2018

Cycles of Uranium and Thorium: Chapter 9

John W. Gabelman

AAPG Special Volumes

... into orogene roots. Separation of uranium and thorium occurs mostly during the orogenic-magmatic cycle, and less so during taphrogenic hydrothermal activity...

1977

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