Lithotectonic elements of the Grenville Province: review and tectonic implications

T Rivers - Precambrian research, 1997 - Elsevier
The Grenville Province formed the southeastern limit of Proterozoic Laurentia and is
composed of lithologic units that range in age from Archean to Late Mesoproterozoic …

Giant radiating dyke swarms on Earth and Venus

RE Ernst, JW Head, E Parfitt, E Grosfils, L Wilson - Earth-Science Reviews, 1995 - Elsevier
Concentrations of dykes of basic composition emplaced in the same igneous episode or
along similar trends are known as mafic dyke swarms and they occur in a wide variety of …

Large igneous provinces (LIPs), giant dyke swarms, and mantle plumes: significance for breakup events within Canada and adjacent regions from 2.5 Ga to the …

R Ernst, W Bleeker - Canadian Journal of Earth Sciences, 2010 - cdnsciencepub.com
Large igneous provinces (LIPs) are high volume, short duration pulses of intraplate
magmatism consisting mainly of flood basalts and their associated plumbing system, but …

Paragenesis and U-Pb systematics of baddeleyite (ZrO2)

LM Heaman, AN LeCheminant - Chemical Geology, 1993 - Elsevier
The mineral baddeleyite (ZrO 2) occurs in many terrestrial and lunar samples and some
achondrite meteorites as a trace constituent that most often crystallizes in the late-stage …

Large Igneous Provinces and supercontinents: Toward completing the plate tectonic revolution

RE Ernst, W Bleeker, U Söderlund, AC Kerr - Lithos, 2013 - Elsevier
Regional groupings of a majority, or all, of Earth's crustal blocks have occurred several times
in Earth history, but only the most recent supercontinent Paleozoic Pangea/Gondwana, is …

Mackenzie igneous events, Canada: Middle Proterozoic hotspot magmatism associated with ocean opening

AN LeCheminant, LM Heaman - Earth and Planetary Science Letters, 1989 - Elsevier
Usingle bondPb ages have been obtained for the Muskox intrusion and the Mackenzie dyke
swarm. The age of a pyroxenite from the layered series of the intrusion is 1270±4Ma …

The chemical composition of igneous zircon suites: implications for geochemical tracer studies

LM Heaman, R Bowins, J Crocket - Geochimica et Cosmochimica Acta, 1990 - Elsevier
Minor and trace element data obtained for ultrapure zircon fractions isolated from a variety of
igneous rocks indicate that zircon grains crystallizing in different magmatic environments …

Giant radiating dyke swarms: their use in identifying pre-Mesozoic large igneous provinces and mantle plumes

RE Ernst, KL Buchan - Geophysical Monograph-American …, 1997 - books.google.com
The identification of large igneous provinces (LIPs) and associated mantle plumes has been
confined for the most part to the Mesozoic and Cenozoic record. With few exceptions, pre …

New tectonic divisions of the Grenville Province, southeast Canadian Shield

T Rivers, J Martignole, CF Gower, A Davidson - Tectonics, 1989 - Wiley Online Library
On the basis of geological, geophysical, and geochronological data, the Grenville Province
has been divided into three first‐order longitudinal belts, the Parautochthonous Belt (PB) …

Ion microprobe U–Pb ages for Neoproterozoic basaltic magmatism in south-central Australia and implications for the breakup of Rodinia

MTD Wingate, IH Campbell, W Compston… - Precambrian …, 1998 - Elsevier
Ion microprobe U–Th–Pb analyses of baddeleyite and zircon yield precise estimates of the
age of Neoproterozoic mafic magmatism associated with initial rifting in the Adelaide …