Sentence examples for geologic environments from inspiring English sources

Iron ores occur in igneous, metamorphic (transformed), or sedimentary rocks in a variety of geologic environments.

Substantial amounts of gas have accumulated in geologic environments that differ from conventional petroleum traps.

Many of these require that the cave be associated with ore deposits or with other special geologic environments.

Secondly, minerals that have identical dominant anions are likely to be found in the same or similar geologic environments.

Although it was well established that the geochemistry of tiny mineral bodies might facilitate the interpretation of the geologic environments of rock formation, these rocks had been strongly metamorphosed during their long history, which obscured the geologic environment of their original formation.

Some of this improvement can be attributed to changes in mining methods and geologic environments.

Understanding is further enhanced by information about how the properties of typical rocks are dependent on the geologic environment and how they vary with different conditions.

This differential compressibility and the associated stresses that develop in a high-pressure geologic environment contribute to the development of dramatic layered textures in mica-rich rocks such as schist.

Well-sorted conglomerates imply erosion and deposition over a long time period with a loss of unstable minerals and a rock dominated by quartz or chert pebbles; the geologic environment of deposition is usually a widespread basal formation of overlapping marine units.

At Broken Hill, metamorphism has almost completely obscured the original geologic environment, but in the other three cases evidence suggests that hydrothermal fluids moved upward along a fault from deeper within a sedimentary basin, then reacted with a shale while it was still a mud on the seafloor.

In the complex floodplain Barind geologic environment of the Chapai-Nawabganj area, the need for costly random drilling, resulting in dry holes or marginal production from wells can largely be eliminated by the judicious application of low-cost geoelectrical studies.