New multi-dimensional diagrams for tectonic discrimination of siliciclastic sediments and their application to Precambrian basins

SP Verma, JS Armstrong-Altrin - Chemical Geology, 2013 - Elsevier
Siliciclastic sediments owe their origin mainly to land sources. New discriminant-function-
based major-element diagrams for the tectonic discrimination of siliciclastic sediments from …

[PDF][PDF] Present state of knowledge and new geochemical constraints on the central part of the Mexican Volcanic Belt and comparison with the Central American …

SPAL VERMA - Turkish Journal of Earth Sciences, 2015 - journals.tubitak.gov.tr
A brief critical review is presented of the geological, geophysical, geochemical, and plate
tectonic evidence for the origin and evolution of the central part of the Mexican Volcanic Belt …

Origin, evolution, and tectonic setting of the eastern part of the Mexican Volcanic Belt and comparison with the Central American Volcanic Arc from conventional …

SP Verma - Turkish Journal of Earth Sciences, 2015 - journals.tubitak.gov.tr
Abstract If both the Mexican Volcanic Belt (MVB) and the Central American Volcanic Arc
(CAVA) have been related to the subduction of the Cocos plate beneath the North American …

[PDF][PDF] Application of multi-dimensional discrimination diagrams and probability calculations to acid rocks from Portugal and Spain.

SP Verma - Comunicaçõe Geológicas, 2012 - lneg.pt
Discrimination diagrams have been used to decipher tectonic setting of old terrains. New
discriminant-function based multi-dimensional diagrams for acid magmas were recently …

Application of 55 multi-dimensional tectonomagmatic discrimination diagrams to Precambrian belts

SP Verma, SK Verma, EP Oliveira - International Geology Review, 2015 - Taylor & Francis
Fifty-five new multi-dimensional diagrams, mostly based on log-ratio transformations, were
used to decipher tectonic settings for 17 cases of Precambrian belts in Canada, the USA …

Precambrian plate tectonic setting of Africa from multidimensional discrimination diagrams

SK Verma - Journal of African Earth Sciences, 2017 - Elsevier
New multi-dimensional discrimination diagrams have been used to identify plate tectonic
setting of Precambrian terrains. For this work, nine sets of new discriminant-function based …

[PDF][PDF] New critical values for F and their use in the ANOVA and Fisher's F tests for evaluating geochemical reference material granite G-2 (USA) and igneous rocks …

R Cruz-Huicochea - Journal of Iberian Geology, 2013 - pdfs.semanticscholar.org
Monte Carlo method was used to simulate precise and accurate critical values (with 2 to 7
decimal places) of Fishers F test for degrees of freedom (ν1 and ν2) of up to 2000 and …

Plate tectonic settings for Precambrian basic rocks from Brazil by multidimensional tectonomagmatic discrimination diagrams and their limitations

SK Verma, EP Oliveira, SP Verma - International Geology Review, 2015 - Taylor & Francis
Multidimensional discrimination diagrams (2006–2011) for basic and ultrabasic igneous
rocks were applied to Precambrian rock suites from the Amazonian and São Francisco …

Comparative performance of four single extreme outlier discordancy tests from Monte Carlo simulations

SP Verma, L Díaz-González… - The Scientific World …, 2014 - Wiley Online Library
Using highly precise and accurate Monte Carlo simulations of 20,000,000 replications and
102 independent simulation experiments with extremely low simulation errors and total …

Application of 50 multi-dimensional discrimination diagrams and significance tests: deciphering compositional similarities and differences between Hawaiian and …

SP Verma - International Geology Review, 2013 - Taylor & Francis
As an innovative approach, I use multi-dimensional diagrams presented by our group during
2004–2013 and respective probability estimates for the newer diagrams to evaluate …