It has long been realized that the mineral assemblages of igneous and metamorphic rocks may reflect the approach of a rock to chemical equilibrium during its formation. However progress in the application of chemical thermodynamics to geological systems has been hindered since the time of bowen and the other early physical-chemical petrologysts by the recurring quandary of the experimental geol…
During the past century, and most par-ticularly in the decades following World War II there has been a tremendous ex-pansion of the impact of science on everyday life. Explanations of scientific phenomena, particularly those of catastrophic effect on society, are given at all levels of education, science dominates the news media, most households make use of products that are the result of appli…
Fluid mechanics is a study of the behaviour of fluid at rest and in motion. The study takes into account the various properties of fluids and their ef-fects on the resulting flow patterns, in addition to the forces acting between the fluid and its boundaries. To explain observed fluid behaviour and to pre-diet fluid behaviour, the study and application of fundamental laws (conserva-tion of mass…
To geologist, the field is where rocks or soils can be observed in place, and field geology consist of the methods used to examines and interpret structures and materials at the outcrop. Field studies are primary means of obtaining geologic knowledge. Some studies may be as simple as visiting a single outcrop or quarry, making notes and sketches on the relations between certain rocks, and colle…
Structural Geology may be defined as a study of the framework of the earth’s crust and the causes that are distorting it. However, in its broader phases, structural geology is not limited merely to crumplings and fractures of the crust. Although we see only a thin rin and although information about the unseen vast interior must, of necessity, be based on indirect evidence – yet it is deep-s…
Structural Geology brings together in condensed form the fundamentals of the geology of primary and secondary forms of occurrence of rocks sedimentary, igneous and metamorphic. It outlines the main principles of tectonics physics and set out the basic mechanism of folding and faulting. A classification of structural form is given and the processes governing their historical, mechanical and regi…
Geology has evolved greatly since I wrote the manual of field geology in the 1950’s. Advances in theory have transformed the formation mapping of the time into increasingly broader and more interpretive studies. We have much to seek at the outcrop and the rising costs of field work compel us to recognize key features the first time around.
Daerah penelitian terletak di Pulau Halmahera, termasuk ke dalam wilayah Kecamatan Ibu, Kabupaten Maluku Utara, Propinsi Maluku Letak geografisnya, berada pada koordinat (127° 33-127° 46' BT) dan (1° 22'-1° 38' LU). Puncak tertinggi G. Ibu pada ketinggian 1325 m di atas permukaan air laut, pada koordinat 127° 38' BT dan 1°29' LU G. Ibu dikenal juga dengan nama G. Duono, merupakan salah s…