ABSTRACT: Here we report the results of several U-Pb zircon ages, made to generate an integrated history for the Rio Negro-Juruena tectonic province, for the northwestern part of the Amazonian Craton.
Strontium isotope ratios of historical Kīlauea summit and rift lavas were analyzed by thermal ionization mass spectrometry (TIMS) at the Southwest Isotope Research...
Sediment push core samples contain pyroclastic glassy shards up to ∼1 cm. Two cores (D75-PC43 and D75-PC58) were collected above plagioclase-phyric Group 2 lava (see Dreyer et al., 2013 for definition