The format of mineral description has undergone considerable evolution in recent years. New illustration have been subtituted to call attention to improved equipment now available. Pahse microscopy is illustrated. The cahpter intened to guide the student in the selection of methods of grinding thin sections has been revised. A cahpter is included to…
This series of texts is aresult of an initiative by the Committee of Heads of Polytechnic Chemistry Departments in United Kingdom. A project team based at Thames Polytechnic using funds available from the Manpower Services Commission 'Open Tech' Project has organised and managed the development of thematerial suitable for use by 'Distance Learners'.…
Perhaps it would be simplest to begin by stating the ways in which this new edition, the fourth under the aegis of the present editor, has not been changed. Its remains the one-volume source of factual information for chemists, both professionals and students-the first place in which to "look it up" on the spot. The aim is to provide sufficient data…
Tidak salah apabila masyarakat luas melihat gunung api adalah suatu sosk yang hanya menciptakan bencana karena setiap kali dibicarakan orang yang ditonjolkan adalah sifat letusannya yang menimbulkan ketakutan. Padahal setiap kali gunung api meletus hanya berlangsung beberapa saat dibanding dengan masa tenang yang dilaluinya. Apabila kita jujur dalam…
Physical geology is a classic that has been used for introductory geology classes for two and a half decades. During that time, it has evolved into a market-leading text read by thousands of students. In keeping with this long-standing tradition, the tenth edition has been updated to include the most current imformation from the various subdisciplin…
an introductory text canot explore all aspects of environmental concerns. here, the emphasis is on the physical constrains imposed on human activities by the geologic processes that have shaped and are still shaping our natural environment. in a real sense, these are the most basic, inescapable constrains; we canot, for instance, use aresource that …
A three day symposium was held in honor of the late Maurice Ewing at Arden House, Harriman, New York on March 28-31, 1976. The symposium is the first of a planned Maurice Ewing series of symposium to be held biennially. The American Geophysical Union has agreed to publish the proceedings of the symposiums in a special Maurice Ewing series. This volu…
The assumption of lognormal (parent) field size distributions has for a long time been applied to resources apprasisal and evaluation of exploration strategy by the petroleoum industry. However, frequency ditributions estimated with observed data and used to justify this hypotesis are conditional. Eximination of various observed field size distribut…