The Geology of Stratigraphic Sequences by Andrew D. Miall download in pdf, ePub, iPad
The central core of the first edition was composed of a detailed description and evaluation of the major processes by which sequences are formed. The concepts of sequence stratigraphy that evolved from seismic-stratigraphy in the s constitute the basis for the most recent and most elaborate attempts to develop deductive stratigraphic models. This data base now constitutes what has come to be called the chronostratigraphic time scale.
The hypothesis of glacioeustasy was also widely discussed at that time. During the s, a series of anomalies and conceptual problems about the global-eustasy model emerged. Some species were discovered to have short vertical ranges, others long ranges. In the next sections the development of two parallel traditions in stratigraphy is followed from their origins in the nineteenth century. Both eustatic sea level changes and subsidence rates tend to be longer cycles.
We would then try to identify the person who was most interested and knowledgeable for each task, and then endeavor to give each person a maximum amount of responsibility for his or her project area. Mulkay for example, has concluded that physical reality constrains, but does not uniquely determine, the conclusions of scientists. By establishing the history of stratigraphy, the body of ideas from which the modern controversy over sequence stratigraphy may be better understood.
These are discussed in Chap. He was aware of the concept of facies change and of the variability in the nature of stage boundaries, from conformable to unconformable. In practice, zones became the foundation upon which the whole framework of biostratigraphy, the zone, stage, series and system, was gradually built.
Vail himself attempted to describe his own scientific procedures. Conventional chronostratigraphic methods, based on biostratigraphy, radiometric dating, chemostratigraphy, etc. The North-American mid-continent cyclothems are a particularly interesting case of cyclic sedimentation. Modern work in the area of sequence stratigraphy evolved from the research of L.
It re-energized a discipline, years in the making, offering new theoretical possibilities for knowledge of Earth history and fundamental Earth processes. Van Siclen provided a diagram of the stratigraphic response of a continental margin to sea-level change and variations in sediment supply that is very similar to present-day sequence models. It is argued later in this book Sect.
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