The birth of the idea that led to this publication on "Global Sand Seas" dates back to the late 1920's. At that time I was engaged in study of the Coconino Sandstone of Arizona's Grand Canyon. Considerable controversy existed then as to whether this sandstone was a subaqueous deposit or was composed of wind-formed dunes. It became apparent that definitive literature was sparse or lacking on typ…
Indonesia memiliki sentra-sentra industri kreatif yang berbahan sumber daya geologi seperti indutri keramik/gerabah, batu hias bangunan dan taman, dan batu mulia. Industri-industri ini telah ada sejak lama, tumbuh dan berkembang karen aeksplorasi kreatifitas masyarakatnya. Sentra gerabah Singkawang di Kalimantan Barat dipercaya telah ada sejak abad ke-17, dengan kekhasan desain yang berbeda den…
Bill Putnam had a clear and lucid style and an ability to explain complex geological matters in a very readable and understandable way. We have tried to maintain that style while adding new data on developments and discoveries that have taken place in the fifteen years since the first edition was published.