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The History of Coffee in Guatemala
After it emerged as a market commodity in the 18th century, coffee was easily adapted to cultivation in the highlands of Central America. Guatemala in particular has relied on coffee cultivation as a part of its economic identity: it has been a premier export crop for over 300 years. The importance of coffee to the country lies in the large labour investment in each stage of production. The book covers agricultural, social, and cultural aspects of coffee culture in Guatemala in old photographs, charts, tables and maps. Wagner's work shows how Guatemala has met the economic complexity to which this product is subject, and why coffee remains the solid foundation crop of the country today.
Carbonate Sequence Stratigraphy
Hardcover plus Foldouts
Carbonate Platforms
This volume also discusses the computer modelling of carbonate cycles and sequence analysis. This will prove an invaluable text for senior undergraduate and postgraduate students in the earth sciences in general and will also be of value to the professional researcher. Carbonate platforms contains contributions from an international authorship and the volume has been edited by one of the most respected names in the earth sciences. Areas covered include; early rifting deposition; examples from carbonate sequences of Sardinia (Cambrian) and Tuscany (Triassic-Jurassic), Italy; geometry and evolution of platform-margin bioclastic shoals, late Dinantian (Mississippian), Derbyshire, UK; cyclic sed...
LITHOFACIES, DEPOSITION, EARLY DIAGENESIS, AND POROSITY OF THE UTELAND BUTTE MEMBER, GREEN RIVER FORMATION, EASTERN UINTA BASIN, UTAH AND COLORADO
The freshwater lacustrine environment of the Uteland Butte member of the lower Green River Formation in the eastern part of Utah’s Uinta Basin was correlated and mapped from outcrop to the subsurface using lithofacies and sequence-stratigraphic boundaries from four major flooding events. The study area extends from the outcrop on the western side of the Douglas Creek Arch, where lake-margin sediments occur, to cores from the Greater Natural Buttes natural gas field in central Uintah County, where sublittoral facies are predominant.
Stratigraphy and Paleolimnology of the Green River Formation, Western USA
This volume presents a suite of detailed stratigraphic and sedimentologic investigations of the Eocene Green River Formation of Wyoming, Colorado and Utah, one of the world’s foremost terrestrial archives of lacustrine and alluvial deposition during the warmest portion of the early Cenozoic. Its twelve chapters encompass the rich and varied record of lacustrine stratigraphy, sedimentology, geochronology, geochemistry and paleontology. Chapters 2-9 provide detailed member-scale synthesis of Green River Formation strata within the Greater Green River, Fossil, Piceance Creek and Uinta Basins, while its final two chapters address its enigmatic evaporite deposits and ichnofossils at broad, interbasinal scale.
Sequence Stratigraphy and Facies Associations
In recent years there has been a virtual explosion of stratigraphic studies utilizing the principles of sequence stratigraphy. Although the concept of time stratigraphy is not new, the packaging of depositional units into systems tracts and sequences is. This new approach has led to the reassessment of areas that in some cases have been the subject of intense geological scrutiny for decades. The fundamental principles upon which sequence stratigraphy is based are applicable at a broad range of temporal and physical scales. This volume arises from several sessions on sequence stratigraphy held at the Thirteenth International Sedimentological Congress, with emphasis on facies associations within a sequence stratigraphic framework.
The Middle and Late Jurassic Intrashelf Basin of the Eastern Arabian Peninsula
This memoir provides a thorough review of the geology of the rimmed Arabian Intrashelf Basin, reconciling differing interpretations of lithostratigraphy, sequence stratigraphy and biostratigraphy. Variation of energy levels and facies due to its setting in the SE palaeotradewind belt are described. The roles subtle tectonism played in developing the basin and in the Late Jurassic creating restriction by uplift and exposure of the Tethys shelf are evaluated. The intrashelf basin formed during rising sea level as a single rimmed carbonate intrashelf basin. A possible global cooling phase resulted in a lowstand which restricted the basin, resulting in petrographically unique carbonate source rock facies dominated by cyanobacterial deposition. Two subsequent 3rd order carbonate sequences largely filled the basin. Eustatic change concomitant with uplift of the Tethys shelf resulted in alternation of carbonates and evaporites (gypsum-anhydrite) across the region. The end result was a sealed intrashelf basin which preserved early-formed porosity and confined generated hydrocarbons within the intrashelf basin facies.
