Local melt contamination and global climate impact: Dating the ...
Feb 1, 2022 · The intrusive component of the Karoo LIP, in large part emplaced in Late Carboniferous to Early Jurassic sedimentary strata of the Karoo Basin in South Africa, serves as an excellent case study to investigate the connections between LIPs and climate change, as the subvolcanic domain is well-exposed and drilled.
Assessing the importance of thermogenic degassing from the Karoo …
Oct 28, 2021 · The emplacement of the Karoo Large Igneous Province (LIP) occurred synchronously with the Toarcian crisis (ca. 183 Ma), which is characterized by major carbon cycle perturbations.
Location map of the Karoo LIP in western Dronning Maud Land …
The Jurassic Karoo large igneous province (LIP) of Antarctica, and its conjugate margin in southern Africa, is critical for investigating important questions about the relationship of basaltic...
West-East profile and geological map correlating Karoo …
The Karoo LIP is represented by basalts (pink) and dolerite intrusions (red). Profile highlights increased thickness and depth of lithologies to the east of the basin.
Eruptive history of the Karoo lava flows and their impact on early ...
Jan 4, 2017 · Taken together, the geochronologic and paleomagnetic constraints on eruptive history of the Karoo LIP and the patterns revealed by the geochemical and paleontological records of Pliensbachian-Toarcian times allow us to propose an eruptive scenario leading to multiphased extinctions.
The 40Ar/39Ar ages of the sill complex of the Karoo large igneous ...
Jun 24, 2008 · The geology of the Karoo basin has been extensively described by Catuneanu et al. and will only be briefly summarized here. The basin mainly overlays the Paleozoic sedimentary Cape supergroup and the Namaqua-Natal Belt and consists of …
Multistage Evolution of Dolerites in the Karoo Large Igneous …
Apr 11, 2011 · Simplified geological map of the Karoo Basin showing the locations of the studied boreholes. The blue dashed lines mark the boundaries between basement terranes or domains. Based on maps by De Wit et al. (1992), Cole (1998) and Schmitz (2002), and references therein.
Distribution of Remnants of the Karoo Large Igneous Province (LIP)
Download scientific diagram | Distribution of Remnants of the Karoo Large Igneous Province (LIP) from publication: Geological Review of Batoka Basalt for Construction | Contents 1.0...
Rapid magma emplacement in the Karoo Large Igneous Province
Apr 1, 2012 · Geological map of the Karoo Basin showing sampling sites. The gray line represents the regional cross section, where individual sampling sites are projected to their stratigraphic position.
Bilateral geochemical asymmetry in the Karoo large igneous …
Mar 27, 2018 · In Karoo LIP, a bimodal distribution of ΔNb values for geographically distinctive sub-provinces reveals an outstanding bilateral asymmetry: