New partial swartpuntiid from Neoproterozoic age rocks of Stanly County, North Carolina, herein assigned to cf. ?Swartpuntia sp., along with previously described Pteridinium carolinaensis, Aspidella, other metazoan trace ...
Molten calcium halide and hydroxide salts may be used as flux and reactants in determining apatite exchange equilibria and solid solution behavior. New experimental data and published phase equilibria are used to determine ...