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Редактор(ы):Wolf K.H.
Издание:Elsevier, 1976 г., 648 стр., ISBN: 0-444-41407-х
Язык(и)Английский
Handbook of strata-bound and stratiform ore deposits. Part 7. Au, U, Fe, Mn, Hg, Sb, W and P deposits / Практическое руководство по стратиформным месторождениям твердых полезных ископаемых. Часть 7. Месторождения золота, урана, железа, марганца, ртути

The Republic of South Africa is a metal producer of the first rank. Gold is the most important of the metals and up to the end of 1971, U.S.$ 32 billion had been realized from its sale. This figure was equivalent to 80% of the total value of all metals sold. The gold province is located on the Kaapvaal craton which is composed of Precambrian sedimentary-volcanic and granite-greenstone assemblages ranging in age from 1,750 to 3,500 million years. This craton forms the southern part of the Southern African Shield. No significant gold mineralization has yet been found beyond the boundaries of this shield. On the Kaapvaal craton, five Proterozoic sedimentary-volcanic basins lie on an Archean basement.  <...>

Автор(ы):Donovan S.K.
Издание:Dunedin, 2021 г., 272 стр., ISBN: 9781780460970
Язык(и)Английский
Hands-on palaeontology. A practical manual / Практическая палеонтология. Практическое пособие

At a time when the DNA of Neanderthal Man has been sequenced and Jurassic World hints at possible future breakthroughs, however improbable, fossils have an undoubtedly high profile. Collecting fossils is a popular hobby. There is a wealth of helpful literature and websites which will help you to put an accurate name on your latest find, and to identify the various component parts of the skeleton.

Автор(ы):Jacqui Coombes
Издание:1997 г., 16 стр.
Язык(и)Английский
Handy hints for variography / Полезные советы по вариографии

The intention of this paper is to provide the user with a few essential and handy hints for variogram analysis. So often one is faced with the task of analysing the spatial continuity of a data set or with the task of generating a resource model using geostatistical techniques. However, practical guidelines for completing these tasks are few and far between and, even though one may attend a geostatistics course, time lapses between exposure to geostatistical techniques and actual application of the techniques to real situations is generally large enough for the handy hints of variography to be lost in the never-never land of memories. <...>

Редактор(ы):Bussiere B., Guittonny M.
Издание:CRC Press, 2021 г., 408 стр., ISBN: 978-1-138-05451-6
Язык(и)Английский
Hard rock mine reclamation. From prediction to management of acid mine drainage / Рекультивация рудников с твердыми породами. От прогнозирования до управления процессом осушения кислых стоков

Av the mining industry continues to grow, so too do its environmental impacts and the need for efficient reclamation methods.
The mining industry produces metals that are essential for global economic development. To do so, mining operations exploit ore deposits. For these ore bodies, both those exploited by open pits and underground mines, the proportion of the economic value compared to the whole excavated rock is very low. which implies that large quantities of solid wastes are produced annually, particularly waste rocks and mine tailings (Lottemioser 2007). Waste rocks are economically nonviable material excavated to reach ore-bearing rock. They are usually stored in waste rock piles at the surface. Tailings are ground rock particles resulting from ore processing.

Редактор(ы):Aramaki S., Garcia M.O., Lipman P.W., Naka J., Takahashi E.
Издание:American Geophysical Union, Washington, 2002 г., 415 стр., ISBN: 0-87590-987-6
Язык(и)Английский
Hawaiian volcanoes deep underwater perspectives / Гавайские вулканы с глубоководным прослеживанием

In the summer of 1963, when a group of Japanese scientists arrived at the aged building of the Hawaiian Volcano Observatory, run by the U. S. Geological Survey, there began a program of cooperation and friendship between American and Japanese volcanologists that continues to the present. The late Professor Takeshi Minakami, a top volcano-physicist long involved in research at various volcanoes, including Asama, then the most active volcano in Japan, led the Japanese group.

Выпуск 283
Автор(ы):Canole P., Odonne F., Polve M.
Издание:Journal Tectonophysics, 1997 г., 15 стр.
Язык(и)Английский
Heterogeneous strain associated with normal faulting evidence of mass transfer by pressure solution associated with fault displacement

In a well stratified flysch in the French Pyrenees, the offset of layers along a fault zone provide good data of relative displacement. It is shown that the fault surface is composed of three right-stepping fractures that opened tensile bridges along small left-stepping fractures. Translation on the fault zone is parallel to the fault surface. The displacement vector field shows that the movement between the two blocks was not a rigid body translation and that deformation in the hanging wall is greater than that in the foot wall. Volume loss within the rock is compensated by volume increase close to the fault surface.

Calcite dissolution and reprecipitation by pressure solution is indicated by the occurrence of stylolites and numerous calcite-filled veins around the fault. Calcite dissolution is more important in the hanging wall, especially in layers where the calcite content is close to 60%. Both cathodoluminescence observations and rare-earths element patterns are in favour of calcite in veins and dominos coming from units adjacent to the fault. There is no evidence that some calcite coming from farther distance could have entered in the system.

Автор(ы):Jowitt S.M., Mudd G.M., Weng Z.
Издание:Economic geology, 2013 г., 9 стр.
Язык(и)Английский
Hidden mineral deposit in Cu-dominated porphyry-skarn systems: how resourse reporting can occlude important mineralization types within mining camps / Скрытые залежи полезных ископаемых в порфирово-скарновых системах с преобладанием меди

A single mining camp or ore deposit can contain multiple mineral deposit types but may have mineral reserves or resources classified by what a mining or mineral exploration company considers to be the dominant mineralization type in the area. In this paper, we summarize recent work on the challenges of reporting mineral deposits by geologic processes rather than by grades, tonnages, and mineral processing approaches. For example, the Ertsberg-Grasberg district of Indonesia contains several large skarn Cu-Au-Ag deposits, with the discovery outcrop as well as early production entirely in skarn.

Редактор(ы):Stiller H.
Издание:Springer-Verlag Berlin Heidelberg GmbH, 1989 г., 252 стр., ISBN: 3-05-500493-0
Язык(и)Английский
High pressure investigations in geosciences / Исследования высокого давления в науках о земле

G. A . EFIMOVA, I . V . ZHUKOV, V . A . KALININ : Spectral approach to determination of longitudinal elastic wave attenuation in rocks at pressures up to 1.5 GPa

T . S. LEBEDEV, V. A . KORCHIN: A method of programmed modelling of thermobaric conditions of the lithosphere for studying mineral matter physical properties 

I . 0 . BAYTJK, V . A. KALININ : Effective elastic moduli of isotropic rocks at high pressure

T. S . LEBEDEV, G. Y. NOVIK, V. A. KORCHIN, M. G. SILBERSHMIT, T. K . ZAVORIKINA: Structural transformations of rocks and their effect on changes in elastic properties under different thermobaric conditions

Muz. K H . BAKIEV, A. K H . IBRAGIMOV : Study of P-wave velocity and density of Uzbekistan rock samples under high quasi-hydrostatic pressure up to 1.6 GPa 

Автор(ы):Boldyreva E., Dera P.
Издание:Springer, 2009 г., 591 стр., ISBN: 978-90-481-9260-1
Язык(и)Английский
High-pressure crystallography. From fundamental phenomena to technological applications / Кристаллография высоких давлений. От фундаментальных явлений к технологическим приложениям

This volume is a collection of lectures presented during the 2009 International School on High-pressure Crystallography, which took place at the Ettore Majorana Center for Scientific Culture, between June 4 and 14, 2009, in the very picturesque Sicilian town of Erice. The 2009 school was the 41st course of the “International School of Crystallography” organized at the Majorana Center and was directed by Elena Boldyreva (Novosibirsk University) and Przemyslaw Dera (University of Chicago). Unmatched support and excellent on-site organization was provided by the expert team consisting of Prof. Paola Spadon (Uniersity of Padova), Prof. Lodovico Riva di San Severino (University of Bologna), Elena Papinutto and Prof. John Irvin (University of California, San Franciso), aided by great team of young local organizers (“orange scarfs”). <...>

Редактор(ы):Bruhn D., Burlin L.
Издание:The Geological Society of London, 2005 г., 475 стр., ISBN: 1-86239-178-5
Язык(и)Английский
High-strain zones: Structure and physical properties / Зоны повышенной деформации: структура и физические свойства

Most of the deformation on Earth is concentrated in relatively narrow high-strain zones (e.g. plate boundaries). The purpose of this volume was to address different aspects dealing with high-strain zones, from the map scale to the processes active in high-strain zones to the physical properties of highly strained rocks. Several of the contributions were originally presented in a special session entitled 'High-Strain Zones' at the EGSAGU-EUG meeting 2003 in Nice, France, which inspired the compilation of this book. <...>

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