[HTML][HTML] New tectonic discrimination diagrams for basic and ultrabasic volcanic rocks through log-transformed ratios of high field strength elements and implications for …
SP Verma, S Agrawal - Revista mexicana de ciencias geológicas, 2011 - scielo.org.mx
The statistically correct handling of compositional data requires log–ratio transformation
whereas the multivariate technique of linear discriminant analysis (LDA) assumes a normal …
whereas the multivariate technique of linear discriminant analysis (LDA) assumes a normal …
[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 …
tectonic evidence for the origin and evolution of the central part of the Mexican Volcanic Belt …
Statistical evaluation of tectonomagmatic discrimination diagrams for granitic rocks and proposal of new discriminant-function-based multi-dimensional diagrams for …
The four tectonic discrimination diagrams of Pearce et al.[Journal of Petrology, v. 25, p. 956–
983] for granitic rocks were first evaluated using the literature cited by these authors as well …
983] for granitic rocks were first evaluated using the literature cited by these authors as well …
[HTML][HTML] Geochemometrics
SP Verma - Revista mexicana de ciencias geológicas, 2012 - scielo.org.mx
Analogous to chemometrics, geochemometrics can be defined as the science resulting from
the combination of statistics, mathematics and computation with geochemistry. This term in …
the combination of statistics, mathematics and computation with geochemistry. This term in …
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 …
(CAVA) have been related to the subduction of the Cocos plate beneath the North American …
Magmatic processes at the volcanic front of Central Mexican Volcanic Belt: Sierra de Chichinautzin volcanic field (Mexico)
F Velasco-Tapia, SPAL VERMA - Turkish Journal of Earth …, 2013 - journals.tubitak.gov.tr
Abstract The Sierra de Chichinautzin (SCN) volcanic field is considered one of the key areas
to understand the complex petrogenetic processes at the volcanic front of the Mexican …
to understand the complex petrogenetic processes at the volcanic front of the Mexican …
[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 …
discriminant-function based multi-dimensional diagrams for acid magmas were recently …
Three-dimensional temperature field simulation of a cooling of a magma chamber, La Primavera caldera, Jalisco, Mexico
SP Verma, UC Arredondo-Parra… - International Geology …, 2012 - Taylor & Francis
The La Primavera caldera lies close to the triple junction of the Tepic-Zacoalco, Colima, and
Chapala rifts in the western part of the Mexican Volcanic Belt. It is a promising geothermal …
Chapala rifts in the western part of the Mexican Volcanic Belt. It is a promising geothermal …
Application of 55 multi-dimensional tectonomagmatic discrimination diagrams to Precambrian belts
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 …
used to decipher tectonic settings for 17 cases of Precambrian belts in Canada, the USA …
Sr, Nd, and Pb isotopic evidence for the origin and evolution of the Cántaro–Colima volcanic chain, Western Mexican Volcanic Belt
We report new geochemical and Sr, Nd, and Pb radiogenic isotope data on Pleistocene to
Recent subalkaline, basanite–minette, and mixed alkaline magmas from the Cántaro …
Recent subalkaline, basanite–minette, and mixed alkaline magmas from the Cántaro …