Several examples that have been used by geology teachers to convey a sense of geologic time are presented. (MDR)

The argument presented here, against the principle of uniformitarianism as a means of transforming an inductive argument into a deductive one, is based on the fact that this principle is itself established by inductive reasoning. (MDR)

The life and work of James Hall are described in this article. (MDR)

With the use of graphs, the phenomenon of deep ocean water mixing is discussed. Research methodologies and findings are detailed. (CP)

Analyzes the distributions of particles and particle flux in the Atlantic Ocean. (CP)

Plate tectonics concepts require a definition of fault, a new term to compliment epeirogeny, and a clarification of transform fault characteristics. This article makes proposals for these changes. (Author/MA)

Forty-two minority students receiving American Geological Institute (AGI) scholarships are discussed in this article. The value of the AGI scholarship program is examined with regard to student academic success, future professional success, and minority representation. Most faculty members and employers involved in the program were favorably…

Describes approximately 15 hours of activities in the Sellicks Beach Area suitable for high school students interested in studying sedimentary and structural geology, geomorphology, and human land use patterns. (CP)

Describes the characteristics of rare earth elements. Details the physical chemistry of rare earths. Reviews the history of rare earth chemistry and mineralogy. Discusses the mineralogy and crystallography of the formation of rare earth laden minerals found in the earth's crust. Characterizes the geologic history of rare earth elements. (CW)

Traces the historical events that linked geology with the planetary sciences. Reviews the origins of meteorities as a modern science and highlights the advances made in this area. Discusses lunar related theories and research. (ML)

Provides background information and references on Comet Halley (which will be observable by telescope in October 1985 and reach its most brilliant appearance in March and April of 1986). Suggestions for equipment and maps of its path through the sky are included. (DH)

Discusses the nature and effects of the El Nino/Southern Oscillation phenomenon. Indicates that new understanding of the phenomenon from current data will provide a global view of climate that has never before been within reach. (JN)

Presented is a review of papers presented at the 25th International Geological Congress held August 16-25, 1976, Sydney, Australia. Topics include precambrian geology, tectonics, biostratigraphy, geochemistry, quaternary geology, engineering geology, planetology, geological education, and stress environments. (SL)

Attempts to define the information needs of earth science engineers: mining, engineering, geology, soil and rock mechanics. (Author)

Describes the results of analyzing world wide seismic profiles to develop a precise scale of regional, continental, and global unconformities for dating events in geologic history. (SL)