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TONSTEINS OF THE RIO BONITO FORMATION IN THE CANDIOTA COAL DEPOSITS, RSTONSTEINS DA FORMAÇÃO RIO BONITO NO DEPÓSITO DE CARVÃO CANDIOTA, RS
(Sociedade Brasileira de Geologia, 2017)
Geology and characterization of the pecket coal deposit, megellan region, chile
(ELSEVIER SCIENCE BV, 2002)
The geology, petrography and chemical variation of the Pecket coal sequence, Magellan Region (52_x0001_57VS, 71_x0001_10VW), the only Chilean coal used for electricity generation on a large scale, has been studied in order ...
Distribution, mineralogy, petrography, provenance and significance of Permian ash-carrying deposits in the Paraná BasinDistribution, mineralogy, petrography, provenance and significance of Permian ash-carrying deposits in the Paraná Basin
(Universidade de São Paulo, Instituto de Geociências, 2005)
Geochronological data from the Faxinal coal succession, southern Parana Basin, Brazil: A preliminary approach combining radiometric U-Pb dating and palynostratigraphy
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
A radiometric zircon age of 285.4 +/- 8.6 Ma (IDTIMS U-Pb) is reported from a tonstein layer interbedded with coal seams in the Faxinal coalfield, Rio Grande do Sul, Brazil. Calibration of palynostratigraphic data with the ...
VARIATION IN STOMATAL NUMBERS OF GLOSSOPTERIS LEAVES FROM THE LOWER PERMIAN OF PARANA BASIN, BRAZIL
(SOC BRASILEIRA PALEONTOLOGIA, 2011)
The stomatal density and index in compressed leaves of Glossopteris communis from two different roof shales from the Lower Permian in Parana Basin, Brazil (Western Gondwana) have been investigated to test the possible ...