Download or read book Indian Ocean Geology and Biostratigraphy written by James R. Heirtzler and published by American Geophysical Union. This book was released on 1977 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synthesis of Deep Sea Drilling Results in the Indian Ocean written by and published by Elsevier. This book was released on 1978-01-01 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis of Deep-Sea Drilling Results in the Indian Ocean

Download or read book The Miocene Ocean written by James P. Kennett and published by Geological Society of America. This book was released on 1985 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Utilizing Indian Ocean Calcareous Nannofossil Biostratigraphy of Miocene Sediments to Investigate Tectonic and Climatic Forcing During the Evolution of the Himalayas written by Jarrett W. Cruz and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The geological history of Himalayans and Tibetan Plateau is important for understanding how our planet evolves, and how geological structures can have local and global effects on climate and floral and faunal evolution of a system. This thesis presents how biostratigraphy of calcareous nannofossils can be a vital tool when attempting to identify timing of sedimentological events captured within cores recovered from deep below the ocean floor. Here I utilize nannofossil biostratigraphy from International Ocean Discovery Program Expedition 354 Sites 1451 and 1450 drilled in the Eastern Bengal Fan to investigate the paleogeographic setting and evolution of the Himalayans. This is done by linking autogenetic characteristics of calcareous nannofossils to allogenic and autogenic processes directed by tectonic and climatic forcing. More specifically, this study uses biostratigraphy to identify nannofossils observed in sediments collected to produce a data set for assigning a biostratigraphic zonal scheme. The biostratigraphy is used as a baseline for calculating sedimentation rates and errors, relate sedimentation rates and turbidite frequencies to tectonic and climatic forcing and understanding the paleo environment. Biostratigraphy is a vital tool for identifying events directed by tectonic and climatic forcing and in turn, to test and support or reject other groups of researchers' hypotheses. Expedition 354 Site 1451 was successful at recording nannofossil markers from the Holocene (0 Ma) to the Miocene-Oligocene boundary (23 Ma). The Gradstein and others (2012) Time Scale was utilized to assign ages to the Martini (1971) and Okada and Bukry (1980) nannofossil zonal schemes. Sixty-one biostratigraphic events assigned by sixty-five marker species were observed delineating sixty-one zones/subzones discussed herein. The ages range from recently deposited (Holocene) to older than 57.4 million years (Paleogene). I utilize the biostratigraphic ages to analyze seven events representing pulses in turbiditic activity throughout the Miocene. Once the events were outlined, I compared each one to proposed tectonic and climatic events outlined in current published research in order to see whether they can be supported or rejected. Three of these events indicate the influence of significant tectonic forcing displaying nearly double the average sedimentation rate. The first event occurred around 6.1-8.2 Ma in the central Himalayans and has a strong source signal from the Ganges river system. The second and third events occurred around 8.3-10.9 Ma in the Eastern Tibetan Plateau and projects a strong source signal from the Brahmaputra river system. The fourth and fifth events can be linked to a monsoon activity and occurred around 10.8-13.5 Ma. The sixth event occurred around 14.1-14.91 Ma during the Middle Miocene cooling event and may have been influenced by a long-term sea level low. The seventh event occurred around 15.80-17.95 Ma during the Early to Middle Miocene climate optimum during a long-term sea level high. Site 1451 Holes A and B were drilled from sea floor to 1181.3 m below the sea floor with 86% recovery from Hole A and 29% recovery from hole B resulting in 628.9 m of total sediment collected. There were 245.1 meters of turbiditic sediment identified within the cores. This accounts for 38.9% of the total collected sediment. The lowermost turbidite sequence is assigned an age range of 15.80 to 17.95 Ma. Radiolarian blooms are identified in 18.2 m of sediment before any recorded turbidites. There are 5.47 m of volcanic ash layers denoting 8 identifiable volcanic events. There were also 40.85 m of plant fragment inclusions observed within the cores. These plant fragment inclusions were deposited between 0.29-1.26 Ma and 8.68+ Ma, leaving a gap in plant-fragment inclusions from 1.26-8.68 Ma. The commencement of significant plant fragment deposition correlates with the onset of the monsoons and activity of crustal thickening around 15-18 million years ago. In order to get a better understanding of the variation in depositional characteristics, 125 post cruise samples were analyzed from Site 1450 to correlate Pleistocene and Pliocene depositional patterns to Site 1451. Site 1450 biostratigraphy highlights a more expanded Pleistocene and Pliocene sections than Site 1451 with different sedimentation rates during the Pliocene/Pleistocene interval. This analysis highlights the variation in depositional characteristics from the two locations across the Bengal Fan head and hints to a possible reorganization of depositional patterns from source river systems around 5 Ma. This research has increased the resolution of proposed tectonic and climatic forcing events during the evolution of the Himalayan and Tibetan Plateau. Tectonic uplift in the central Himalayas initiated around 7.42+ Ma, and around 9.69-10.97 Ma in the Tibetan Plateau. Climatic forcing occurred around 14.91 to 15.8 Ma, altering sedimentation patterns in the Indian Ocean. Onset of turbidite deposition at site 1451 around 15.8 to 17.95 Ma confirms Early Miocene evolution of the Himalayas.

Download or read book Geological Evolution of Antarctica written by Michael Robert Alexander Thomson and published by Cambridge University Press. This book was released on 1991-05-16 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveys the tectonic evolution of the Antarctic crust and the palaeoenvironmental evolution of Antarctica since the Late Mesozoic.

Download or read book Micropaleontology written by Devesh K. Sinha and published by Narosa Publishing House. This book was released on 2007 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the application of microfossils in stratigraphy and paleoceanography. The book covers geological time from Proterozoic to Cenozoic, deep sea hiatuses, global carbon cycles, ocean circulation and related climate changes, extraterrestrial events, upwelling and productivity, and more.

Download or read book The Indian Ocean written by and published by . This book was released on 2001 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributed articles.

Download or read book Proceedings of the Ocean Drilling Program written by Ocean Drilling Program and published by . This book was released on 1988 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rifting and Sediments in the Red Sea and Arabian Gulf Regions written by Najeeb M.A. Rasul and published by CRC Press. This book was released on 2024-05-08 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rifting and Sediments in the Red Sea and Arabian Gulf Regions is a unique text that covers a wide range of topics related to the tectonics and geology of the Red Sea and Arabian (Persian) Gulf region. This book is a collection of invited and peer-reviewed chapters contributed by active researchers around the world. The topics covered in this book include tectonics, magmatism, and lithology, particularly in the Red Sea area. The book also delves into the sediments and evaporites of the Red Sea and Gulf. As the area around the Arabian Peninsula is prone to earthquakes, the seismic hazard estimated in the Red Sea region is also covered by several chapters. Each chapter presents new data and offers extensive lists of references for the reader to explore further. With the ongoing debates regarding the structure of the Red Sea, this book serves as an excellent resource for researchers and any individuals interested in the geology of these two unique seas.

Download or read book The Indian Ocean Nodule Field written by Ranadhir Mukhopadhyay and published by Elsevier. This book was released on 2017-11-27 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Indian Ocean Nodule Field: Geology and Resource Potential, Second Edition, provides a view of the most recent studies along with classical theories starting from the 1960s. New concepts, hypotheses and critical appreciation of the state-of-the-art knowledge on nodule formation and resource management are featured in this new edition. The economy of the Indian Ocean has vast potential and yet it is one of the least studied oceans. Garnering economic advantage out of mineral resources from deep oceans has been a long cherished dream for the mining community. The availability of 5-metal rich polymetallic (manganese) nodules in specific areas of the Indian Ocean has lured researchers to discover more about their processes of formation, growth, distribution and enrichment. Collates, discusses and succinctly presents voluminous and scattered information from various books and journals for easy understanding and dissemination Features two new chapters: statistical modeling of the formation, growth, distribution and metal enrichment of nodules; and biogeochemistry of the Central Indian Ocean Basin Includes an assessment of Indian Ocean nodules, one of the least studied oceans in comparison to samples analyzed from the world’s oceans

Download or read book Biostratigraphic and Geological Significance of Planktonic Foraminifera written by Marcelle K. BouDagher-Fadel and published by Newnes. This book was released on 2012-12-31 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foraminifera are free-living protozoa that grow an elaborate, solid calcite skeleton. Their well-marked evolutionary record makes them of outstanding value in zonal stratigraphy. The role of fossil planktonic foraminifera as markers for biostratigraphical zonation and correlation underpins most drilling of marine sedimentary sequences and is key to hydrocarbon exploration. Biostratigraphic and Geological Significance of Planktonic Foraminifera presents a comprehensive analysis of existing data on fossil planktonic foraminifera genera and their phylogenetic evolution in time and space. In addition, the book contains new, unpublished data on carbonate thin sections with identified fossil planktonic foraminifera from the Far East to offshore Brazil and South Africa. * The first book to synthesize the biostratigraphic and geological usefulness of planktonic foraminifera * Includes a discussion of the recent advances being enabled by molecular studies of living forms * Opens a new field of dating planktonic foraminifera in carbonates and expands their usefulness in hydrocarbon exploration

Download or read book Pliocene Pleistocene Radiolarian and Diatom Biostratigraphy of ODP Hole 709C equatorial Indian Ocean written by S. K. Haslett and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the Ocean Drilling Program written by Ocean Drilling Program and published by . This book was released on 1992-07-20 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Indian Journal of Geology written by and published by . This book was released on 2005 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geology and Evolution of the Indian Plate written by S. Mahmood Naqvi and published by . This book was released on 2005 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: With reference to South Asia and Indian Ocean.

Download or read book Biostratigraphic and Geological Significance of Planktonic Foraminifera written by Marcelle K. BouDagher-Fadel and published by UCL Press. This book was released on 2015-10-02 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The role of fossil planktonic foraminifera as markers for biostratigraphical zonation and correlation underpins most drilling of marine sedimentary sequences and is key to hydrocarbon exploration. The first - and only - book to synthesise the whole biostratigraphic and geological usefulness of planktonic foraminifera, Biostratigraphic and Geological Significance of Planktonic Foraminifera unifies existing biostratigraphic schemes and provides an improved correlation reflecting regional biogeographies.Renowned micropaleontologist Marcelle K. Boudagher-Fadel presents a comprehensive analysis of existing data on fossil planktonic foraminifera genera and their phylogenetic evolution in time and space. This important text, now in its Second Edition, is in considerable demand and is now being republished by UCL Press.

Download or read book The Ocean Basins and Margins written by Alan E.M. Nairn and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt: