Oregon's mineral industry in 1964 / Ralph S. Mason -- Oil and gas exploration in 1964 / V. C. Newton, Jr. -- Field work in Oregon, 1964 / R. E. Corcoran.

Introduction -- An enigma in Diller's mapping in the Port Orford folio -- Jurassic slates -- Age of metamorphism and plutonism -- Reinterpretation of the "Jurassic slates" and the pre-Portlandian unconformity...

Introduction -- Methods -- Distribution of heavy minerals -- Total heavy minerals -- Magnetic heavy minerals -- Non-magnetic heavy minerals -- Summary -- Acknowledgments -- References.

Introduction -- Stratigraphy -- Dothan? Formation -- Latest Jurassic and early Cretaceous strata -- Upper Cretaceous strata -- Cenozoic strata -- Serpentinite -- Structural summary -- References cited

Introduction -- Continental Shelf -- Continental Slope -- Bench -- Ridges -- Astoria Canyon -- Acknowledgements

The oceans : a neglected mining frontier / John V. Byrne -- The residual expansibility of pumice / N. S. Wagner and L. L. Hoagland.