Discriminating four tectonic settings: Five new geochemical diagrams for basic and ultrabasic volcanic rocks based on log—ratio transformation of major-element data

SP Verma, M Guevara, S Agrawal - Journal of Earth System Science, 2006 - Springer
We present five new discriminant function diagrams based on an extensive database
representative of basic and ultrabasic rocks from four tectonic settings of island arc …

[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 …

Extension-related origin of magmas from a garnet-bearing source in the Los Tuxtlas volcanic field, Mexico

SP Verma - International Journal of Earth Sciences, 2006 - Springer
Abstract The Los Tuxtlas volcanic field (LTVF) of late Miocene to Recent age is a key area to
understand the consequences of the current subduction of the Cocos plate beneath the …

[PDF][PDF] Continental rift setting for the central part of the Mexican Volcanic Belt: a statistical approach

SP Verma - Open Geology Journal, 2009 - academia.edu
I prepared compilations of geochemical data from the central part of the Mexican Volcanic
Belt (C-MVB), the Central American Volcanic Arc (CAVA) from Guatemala to northwestern …

Environmental heterogeneity influences liana community differentiation across a Neotropical rainforest landscape

IL Ek‐Rodríguez, JA Meave… - Ecology and …, 2024 - Wiley Online Library
We examined the variation in liana community composition and structure across
geopedological land units to test the hypothesis that environmental heterogeneity is a …

LOS TUXTLAS, VERACRUZ, MÉXICO

JR Alcalá-Martínez… - Revista Mexicana de …, 1999 - rmcg.geociencias.unam.mx
Se ha estudiado la formación del suelo en relación con las propiedades morfológicas,
físicas, químicas y mineralógicas de seis perfiles de suclo pertenecientes al área de la …

COEXISTENCE OF ALKALINE AND SUBALKALINE ROCKS AT LOS TUXTLAS VOLCANIC COMPLEX AND ITS RELATION TO THE TECTONIC EVOLUTION.

V Pompa-Mera, SR Rodríguez-Elizarrarás… - Journal of South …, 2025 - Elsevier
ABSTRACT The Los Tuxtlas Volcanic Complex (LTVC) is an isolated volcanic massif that
emerges on the coastal plain of the Gulf of Mexico in southern Veracruz state. The complex …

[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 …

Landscape heterogeneity drives spatial distribution of palm community in a Neotropical rainforest reserve affected by defaunation

KV Miranda-Gallegos, A Navarrete-Segueda… - Botanical …, 2023 - scielo.org.mx
Resumen MIRANDA-GALLEGOS, Katia V. et al. Landscape heterogeneity drives spatial
distribution of palm community in a Neotropical rainforest reserve affected by defaunation …

Geochemistry, petrogenesis, and tectonic setting of the Los Tuxtlas Volcanic Field, Mexico

SP Verma, H López‐Loera… - Geological …, 2020 - Wiley Online Library
We present new major and trace element geochemical data, including the rare‐earth
elements (REE), platinum group elements and Au, and combine them with the published …