Hand Sample from Albert V. Carozzi collection Description: Poorly sorted calcareous sandstone, Colonia Concepcion locality (Lepidocyclina, phosphates) Age: Middle Oligocene, Manguito Sandstone Locality: Chiapas, Mexico Heading Info: Cenozoic of Chiapas, Mexico; thin sections from S. Frost; no samples.
Summary
Hand Sample from Albert V. Carozzi collection Description: Poorly sorted calcareous sandstone, Colonia Concepcion locality (Lepidocyclina, phosphates) Age: Middle Oligocene, Manguito Sandstone Locality: Chiapas, Mexico Heading Info: Cenozoic of Chiapas, Mexico; thin sections from S. Frost; no samples.