10.6084/m9.figshare.7688735.v1 Alastair H.F. Robertson Alastair H.F. Robertson Romesh Palamakumbura Romesh Palamakumbura Fig. S1. Geological development and regional significance of an oceanic magmatic arc and its sedimentary cover: Permian Brook Street Terrane, South Island, New Zealand Geological Society of London 2019 correlation K 2 O v S 1. Geological development Nelson area samples CaO v MgO oceanic magmatic arc Fe 2 O 3 v SiO 2 plot New Zealand Major element oxide crossplots Permian Brook Street Terrane Geology 2019-02-07 16:04:27 Figure https://geolsoc.figshare.com/articles/figure/Fig_S1_Geological_development_and_regional_significance_of_an_oceanic_magmatic_arc_and_its_sedimentary_cover_Permian_Brook_Street_Terrane_South_Island_New_Zealand/7688735 Major element oxide crossplots of volcaniclastic sandstones from the Brook Street Terrane.(<b>a</b>) CaO v. SiO<sub>2</sub> plot showing general inverse correlation; (<b>b</b>) MgO v. SiO<sub>2</sub> showing a general inverse correlation; (<b>c</b>) Fe<sub>2</sub>O<sub>3</sub> v. MgO showing a general positive correlation; (<b>d</b>) MnO v. MgO again showing a general positive correlation; (<b>e</b>) CaO v. MgO showing general positive correlation for Takitiumu Mountain and some Nelson area samples, but with some exceptions from the Nelson area; (<b>f</b>) K<sub>2</sub>O v. MgO showing a general inverse correlation.