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Variation Of The Monterey Formation California
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Book Synopsis Variation of the Monterey Formation, California by : John Kelty Cassell
Download or read book Variation of the Monterey Formation, California written by John Kelty Cassell and published by . This book was released on 1949 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Monterey Formation by : Caroline M. Isaacs
Download or read book The Monterey Formation written by Caroline M. Isaacs and published by Columbia University Press. This book was released on 2001 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an extraordinary case study of a classic marine petroleum system in the prolific oil basins of California. Based on results from the Cooperative Monterey Organic Chemistry Study, the volume examines paleoenvironmental conditions, organic-matter deposition, source-rock characteristics, thermal maturation, and oil generation in the Monterey Formation.
Book Synopsis Isotopic Variation in Dolomite Concretions from the Monterey Formation, California by : Joel Hennessy
Download or read book Isotopic Variation in Dolomite Concretions from the Monterey Formation, California written by Joel Hennessy and published by . This book was released on 1983 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diagenesis in the Monterey Formation Examined Laterally Along the Coast Near Santa Barbara, California by : Caroline M. Isaacs
Download or read book Diagenesis in the Monterey Formation Examined Laterally Along the Coast Near Santa Barbara, California written by Caroline M. Isaacs and published by . This book was released on 1980 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding the Monterey Formation and Similar Biosiliceous Units across Space and Time by : Ivano W. Aiello
Download or read book Understanding the Monterey Formation and Similar Biosiliceous Units across Space and Time written by Ivano W. Aiello and published by Geological Society of America. This book was released on 2022-09-27 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stratigraphy, Diagenesis, and Structural Deformation of the Monterey Formation, Central California Coast by : Richard J. Behl
Download or read book Stratigraphy, Diagenesis, and Structural Deformation of the Monterey Formation, Central California Coast written by Richard J. Behl and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This field trip guidebook uses the Miocene Monterey Formation as a natural laboratory to understand the origin, distribution and physical properties of biogenic, siliceous and organic-rich mudrocks deposited from clastic-starved, upwelling systems above marginal marine basins. Based on a successful week-long, professional short-course led for many years by the authors, the guidebook teaches how to distinguish types of siliceous, calcareous/dolomitic, phosphatic and organic-rich rocks and to understand relationships between depositional environment, sediment and rock composition, diagenetic evolution, and bedding style or stacking patterns. Knowledge of the chemical and mineralogic character and the physical properties of these rocks is then applied to understand variations in mechanical stratigraphy and fracture architecture that can enhance prediction of petroleum reservoir properties.The field guide takes the user to spectacular, classic outcrops of different facies of the Miocene Monterey Formation exposed along the coast of southern and central California. The great heterogeneity of the Monterey Formation permits investigation of siliceous, calcareous, phosphatic and carbonaceous mudrocks and their different properties and deformational behavior that can be applied to other mudstones around the world. Their occurrence within a complex and varied tectonically active setting provides exposures that presenting different aspects, perspectives and styles of deformation from extension to compression to strike-slip faulting, with bedding-scale to formational-scale expressions.
Book Synopsis The Monterey Formation of California and the Origin of Its Siliceous Rocks by : Milton Nunn Bramlette
Download or read book The Monterey Formation of California and the Origin of Its Siliceous Rocks written by Milton Nunn Bramlette and published by . This book was released on 1946 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lateral Variation of Fine-grained, Organic-rich Sediments of the Miocene Monterey Formation, Belridge Field Area, California by : John C. Farrell (Graduate student)
Download or read book Lateral Variation of Fine-grained, Organic-rich Sediments of the Miocene Monterey Formation, Belridge Field Area, California written by John C. Farrell (Graduate student) and published by . This book was released on 2020 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Paleobathymetric position, rates of primary production and detrital input play an important role in determining the sedimentologic character of the highly heterogeneous Miocene Monterey Formation. Although many studies have documented the vertical succession of compositionally distinct lithostratigraphic members, only a few have investigated lateral variability within fine-grained facies. Here, we present a detailed examination of core and modern well logs over an interval within the McDonald and Antelope members of the Monterey Formation to understand the sedimentological relationships and lateral variation of organic matter, biogenic-silica and detritus in the Belridge oil field area of the San Joaquin Basin. This work characterizes significant lateral variation well within the length of a standard horizontal well (5,000’ to 10,000’ ft). A better understanding of thickness and compositional lateral variation in fine-grained systems has practical applications ranging from field exploration and reserve estimates to operational optimization in geosteering, drilling and completions.
Book Synopsis Geochemistry of Minor Elements in the Monterey Formation, California by : David Z. Piper
Download or read book Geochemistry of Minor Elements in the Monterey Formation, California written by David Z. Piper and published by . This book was released on 1995 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strontium Isotopic Variation and Dating of Dolomites in the Monterey Formation, California by : Leonard Clark
Download or read book Strontium Isotopic Variation and Dating of Dolomites in the Monterey Formation, California written by Leonard Clark and published by . This book was released on 1989 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Monterey Formation and Related Siliceous Rocks of California by : Robert E. Garrison
Download or read book The Monterey Formation and Related Siliceous Rocks of California written by Robert E. Garrison and published by . This book was released on 1981 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Petroleum Reservoirs in Fractured Rocks of the Monterey Formation, California by : Arthur Taylor Anderson
Download or read book Development of Petroleum Reservoirs in Fractured Rocks of the Monterey Formation, California written by Arthur Taylor Anderson and published by . This book was released on 1954 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strain Variation Between the Monterey and Sisquoc Formations, Southern Santa Maria Basin, California, USA by : Yannick Wirtz
Download or read book Strain Variation Between the Monterey and Sisquoc Formations, Southern Santa Maria Basin, California, USA written by Yannick Wirtz and published by . This book was released on 2017 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Analysis of variation of fold strain at map-scale and outcrop-scale of the siliceous Monterey and Sisquoc formations in the southern Santa Maria basin, California provides insight into limitations of strain determination by construction of area-conservative balanced cross-sections. Diagenetic modification of these rocks allows strain quantification of rock intervals with high competence contrasts. Detailed strain analysis at map-scale shows significant variation in fold strain between rock types with shortening values ranging from 5.5% to 21.1%. Apparent shortening in the competent Monterey Formation is twice as high as in the overlying highly porous Sisquoc Formation. The large difference in apparent shortening suggests that the same amount of actual strain was accommodated by folding in the Monterey and horizontal compaction in the Sisquoc Formation, since there is no evidence of a detachment fault or major unconformity between the units. Strain analysis at outcrop-scale provides insight into how both units express such different shortening ratios without having an unconformity, or detachment fault between them.
Book Synopsis Guide to Coastal Outcrops of the Monterey Formation of Western Santa Barbara County, California by : John B. Dunham
Download or read book Guide to Coastal Outcrops of the Monterey Formation of Western Santa Barbara County, California written by John B. Dunham and published by . This book was released on 1987 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure and Stratigraphy of the Monterey Formation and Adjacent Rocks, Central California by : Steven B. Bachman
Download or read book Structure and Stratigraphy of the Monterey Formation and Adjacent Rocks, Central California written by Steven B. Bachman and published by . This book was released on 1984 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Petroleum System Evolution, Strike-slip Tectonism, and Diagenesis of the Monterey Formation in the Salinas Basin, California by : Tess Menotti
Download or read book Petroleum System Evolution, Strike-slip Tectonism, and Diagenesis of the Monterey Formation in the Salinas Basin, California written by Tess Menotti and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the late nineteenth century, central and southern California Neogene basins have been recognized as prolific petroleum producers. One of these, the Salinas Basin, features at least seven oil fields containing over half a billion barrels of recoverable oil. The mostly uplifted western side of the basin has invited decades of geologic research relating to tectonic evolution of the western California margin, whereas economic interests have focused study mainly on the subsurface features in the east. Though we possess a basic knowledge of the relations between the geology and existence of petroleum in Salinas Basin, we can achieve a more complete understanding by integrating the geological nuances characterizing basin history with petroleum system analysis. The most notable of these traits include strike-slip tectonism and diagenesis of the Miocene Monterey Formation. Late Neogene tectonism associated with the San Andreas Fault led to profound changes to the entire western margin of North America. In the Salinas Basin, this is manifested as numerous, dextral strike-slip and oblique slip faults, one of which includes the Reliz-Rinconada Fault (RRF), which bisects the main depocenter. Transpressional tectonism induced shortening, taken up by broad and small-scale folds and thrust faults. The related partial basin inversion resulted in considerable erosion, including Oligocene and Miocene age strata. In addition to the dynamic tectonism, mechanical and thermal properties of a key stratigraphic formation, the Monterey Formation, evolved with burial and diagenesis of biogenic silica. From diagenetic alteration to tectonic thickening of overburden, to kilometer-scale transport of a pod of active source rock (POASR), all of these processes are intertwined with synchronous petroleum system events. Past research in basin evolution has done little to combine complex tectonism and diagenesis with petroleum systems analysis. Basin and petroleum system modeling (BPSM) is an effective approach to linking these geologic processes and integrating them into a common framework. The Salinas Basin is an excellent area to test and develop BPSM techniques that address the geological complexities often oversimplified or overlooked in standard workflows. This thesis is divided into three chapters addressing the following overarching research objectives: (1) to address the coupling between tectonism and petroleum system formation. (2) To incorporate silica diagenesis to improve geohistory modeling. (3) To reevaluate the Salinas Basin petroleum system(s) in an effort to help explain the oil field size distribution. (4) To integrate historic geologic and petroleum system data and concepts into a digital basin-scale framework. Chapter 1 explores the interplay between silica diagenesis and basin and petroleum system analysis. X-ray diffraction (XRD) analysis of porcelaneous outcrop samples determined that most surface exposures of the Hames Mbr of the Monterey Fm are opal-CT phase silica, with few opal-A phase diatomite occurrences rimming basin margins in the central and southern parts of the basin. X-ray fluorescence (XRF) analysis of the same samples reveal that relative clay abundances for sampled outcrops near the Arroyo Seco Trough (AST) and Hames Valley Trough (HVT) POASRs average 26 wt %. Detailed analysis of samples from a continuous section of Hames Mbr strata in Reliz Canyon (adjacent to the AST) reveals a systematic increase in stability of opal-CT silica with stratigraphic depth. The classic nomograph of Keller and Isaacs (1985) relating diagenetic silica crystallography and clay content to temperature suggests that maximum burial temperatures seen by this section range from 56.4-77.5 °C at 30% clay. One-dimensional (1D) and two-dimensional (2D) burial history models incorporate a dynamic lithology for the Hames Mbr, capable of adjusting properties upon reaching designated temperature thresholds. Observed silica phases coupled with other forms of burial and thermal calibration (porosity, temperature, Tmax, vitrinite reflectance) guide erosion estimates. 1D models of the Reliz Canyon outcrop indicate a broader maximum temperature range and steeper gradient than indicated from crystallographic evidence, suggesting structural tilting of strata prior to uplift. Based on systematic erosion and structural thickening scenario testing of nine wells in the AST and HVT, and corroboration of their burial history using silica phase among other calibration sources, the magnitude of Pliocene-Recent erosion in the AST area increases to the northwest, and ranges from 700-1400 m. 1D and 2D basin models indicate that the eastern part of the basin experienced considerably less erosion (typically 0-80 m) than in the west. Collectively, these models show that locally and at basin scale, erosion magnitude generally increases from south to north, and from east to west across the RRF. The spatial variability in burial and uplift history resulted in diachronous source rock maturation in HVT versus AST: source rock reached 50% transformation ratio (TR; type II kinetics) by late Miocene time in the HVT, whereas AST source rock was approaching 40% TR at present-day. Elements of this chapter will be incorporated into publication of Chapter 3. Co-authors will include Dr. Stephan Graham, and those co-authors mentioned for Chapter 3. My contributions to this work include project design, sample collection, laboratory analysis, results interpretation, collection of data required as modeling parameters and boundary conditions, all model construction and interpretation. Dr. Graham helped with initial project design and overall interpretations. Chapter 2 presents a new BPSM method that incorporates strike-slip fault motion in 3D basin models. No published literature documents the incorporation of strike-slip faulting into basin and petroleum system modeling prior to this work, despite the abundance of petroliferous basins influenced by strike-slip faulting. 3D synthetic models of a simplified version of Salinas Basin demonstrate the feasibility and value of including strike-slip motion in petroleum system analysis. Model results exemplify potential implications for inclusion of strike-slip fault motion in basin models, such as formation of alternative migration pathways through time and mixing of petroleum from multiple sources in the same accumulation. This chapter was submitted to Marine and Petroleum Geology in spring, 2014, and is in review at this time. Co-authors include Dr. Oliver Schenk, Dr. Carolyn Lampe, Dr. Thomas Fuchs and Dr. Stephan A. Graham. My role in this research was in project design, general workflow development, all model construction and testing, and in interpretation of model results. Dr. Schenk and Dr. Lampe provided critical guidance in developing specific aspects of the modeling approach, and provided clarification on technical details. Dr. Fuchs clarified technical details related to the modeling simulator. Dr. Graham helped with initial project design. Chapter 3 investigates the interplay of strike-slip tectonism, basin history and petroleum system development. 3D modeling of basin and petroleum system evolution predicts up to 75 % transformation in the lower Monterey Formation in the main POASR (HVT) and up to 35 % transformation in the western POASR (AST) at present-day. Models predict the largest petroleum accumulations directly northeast of the HVT pod of active source rock, consistent with the location and size of the San Ardo oil field. Very little oil and gas migrated from west to east across the RRF; the little petroleum that is transmitted across the fault accumulated in reservoir layers and fine-grained layers in the northeastern area of the basin. Petroleum generation began (10% TR) at ~11 Ma in the HVT POASR, and accumulation in sandstone reservoirs began ~5 Ma. Accumulation history of the San Ardo area in detail indicates sequential filling of near-source traps in reservoir layers first, followed by accumulation of neighboring traps updip in the last million years. Interpretations of seismic reflection data of the HVT suggest four main tectonic stages. These stages include: (I) Oligocene-early Miocene time is characterized by a transtensional regional stress regime associated with passage of the Mendocino Triple Junction. Evidence for this includes normal faults that progressively down-step basement to the west and north, initiating basin subsidence. (II) Early-middle Miocene rapid subsidence occurred through displacement on high-angle basement normal faults. I suggest this period of subsidence is driven by local transtensional deformation due to a right step-over between subparallel strike-slip faults, resulting in formation of a pull-apart basin. (III) Middle Miocene-early Pliocene time is characterized by a shift in deformational styles, marked by contractile features including low-angle detachment faults within the Monterey Fm, and modest uplift of basin fill in response to this shortening. (IV) Pliocene-Recent shortening associated with the Coast Range Orogeny is evident in the three or more NE-SW striking thrust faults uplifting strata in the west and north. Review of petroleum system models in the context of these seismic interpretations suggests a number of feedbacks between tectonics and petroleum-related events. Biomarker concentrations in sampled oils including C29 sterane and C31 terpane isomers and Ts/Tm ratios indicate relatively low levels of thermal maturity for all oil field samples. An oil produced from much greater depths (~2500 m TVD) appears considerably more mature and less biodegraded than all other samples. Additionally, C27-C29 steranes and monoaromatic steroids suggest a single anoxic marine source with probable subtle variability in organofacies. An abbreviated version of this chapter is planned for future publication with co-authors Dr. J.M ...
Book Synopsis Microdistribution of Foraminifera in a Single Bed of the Monterey Formation, Monterey County, California by : Roberta K. Smith
Download or read book Microdistribution of Foraminifera in a Single Bed of the Monterey Formation, Monterey County, California written by Roberta K. Smith and published by . This book was released on 1986 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: While several papers exist on the small scale spatial distribution of living foraminifera, almost no work exists on the small scale spatial distribution of fossils. The present study took 24 (5 ml) replicates 10 cm apart along one bed of the Monterey Formation in California.The mean density for all replicates is 6084.96 with a standard deviation of 8776.95. Both inspection and a cluster analysis of the data indicate replicates 20-24 have a much higher density and different rank order of abundance than replicates 1-19. The mean density for the total of all species in replicates 1-19 is 2387.47 with a standard deviation of 1175.58. For replicates 20-24 the mean density is 20135.40 with a standard deviation of 11181.40. The spatial variability is so great that four replicates (more than commonly taken) would only allow us to be 95% confident that we are within 50% of the true mean. Because age determination is based on presence of particular taxa rather than on densities, stratigraphic assignment would still be possible.The three species dominating the 1-19 group make up from 86% to 99% of the fauna. The three species dominating the 20-24 group make up from 77% to 85% of the fauna. Two of these are also dominant in the 1-19 group, but the most dominant species in the 20-24 group constitutes only