vitrinite reflectance

См. также в других словарях:

• Vitrinite — is one of the primary components of coals and most sedimentary kerogens. Vitrinite is a type of maceral, where macerals are organic components of coal analogous to the minerals of rocks. Vitrinite has a shiny appearance resembling glass… …   Wikipedia

• vitrinite type — n as used in Test Method D5061, reflectance classes of vitrinite which span 0.1 % reflectance intervals. DISCUSSION This term is commonly referred to as V type. For example, V type 6 includes vitrinite reflectance values from 0.6 through 0.69 %.… …   Coke&Coal Terminology

• vitrinite — n the predominant maceral in most coals of intermediate reflectance occurring as substantial volumes of more or less uniformly reflecting material or as a matrix enclosing particles of other macerals and mineral matter or as particles or bands… …   Coke&Coal Terminology

• Maceral — A maceral is a component of coal or oil shale. The term maceral in reference to coal is analogous to the use of the term mineral in reference to igneous or metamorphic rocks. Examples of macerals are inertinite, vitrinite and liptinite.… …   Wikipedia

• Bituminous coal — is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal but poorer quality than anthracite coal. Bituminous coal is an organic sedimentary rock formed by diagenetic and submetamorphic… …   Wikipedia

• liptinite — n macerals that exhibit lower reflectance than other organic substances in a coal, appearing black to dark gray and that fluoresce under blue to ultraviolet light in coals ranked high volatile bituminous and lower. DISCUSSION The fluorescence of… …   Coke&Coal Terminology

• Bend Arch-Fort Worth Basin — Infobox Oil field name = Bend Arch Fort Worth Basin Province region = North Central Texas country = United States coordinates = locblock = offonshore = Onshore operators = Devon Energy, Chesapeake Energy, EOG Resources, XTO Energy, EnCana, Range …   Wikipedia

• Ultraviolet–visible spectroscopy — Beckman DU640 UV/Vis spectrophotometer. Ultraviolet visible spectroscopy or ultraviolet visible spectrophotometry (UV Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet visible spectral region. This… …   Wikipedia

• Coalbed methane — (CBM) or Coal Bed Methane[1], coalbed gas or coal mine methane (CMM) is a form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, and other countries. Australia has… …   Wikipedia

• Thermal history modelling — is an exercise undertaken during basin modelling to evaluate the temperature history of stratigraphic layers in a sedimentary basin.The thermal history of a basin is usually calibrated using thermal indicator data, including vitrinite reflectance …   Wikipedia

• Palynofacies — studies examine the preservation of particulate organic matter and palynomorphs to provide information on the depositional environment of sediments and depositional palaeoenvironments of sedimentary rocks. The term Palynofacies was introduced by… …   Wikipedia