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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 (vitreous). It is derived from the cell-wall material or woody tissue of the plants from which coal was formed. Chemically, it is composed of polymers, cellulose and lignin.[1]
The vitrinite group, which consists of various individual vitrinite macerals, is the most common component of coals. It is also abundant in kerogens that are derived from the same biogenic precursors as coals, namely land plants and humic peats. Vitrinite forms diagenetically by the thermal alteration of lignin and cellulose in plant cell walls. It is therefore common in sedimentary rocks that are rich in organic matter, such as shales and marls with a terrigenous origin, or some terrigenous content. Conversely, carbonates, evaporites and well-sorted sandstones have very low vitrinite contents. Vitrinite is absent in pre-Silurian rocks because land plants had not yet evolved.[2]
^Dow, W.G., 1977, Kerogen studies and geological interpretations: Journal of geochemical exploration, v. 7, p. 79-99
Vitrinite is one of the primary components of coals and most sedimentary kerogens. Vitrinite is a type of maceral, where "macerals" are organic components...
that resists crushing. Vitrinite reflectance is a measure of how reflective a polished surface of an average particle of vitrinite in the coal is. It is...
to igneous or metamorphic rocks. Examples of macerals are inertinite, vitrinite, and liptinite. Inertinite is considered to be the equivalent of charcoal...
decreased below 50% for a vitrinite reflectance of 0.7% and below 20% for vitrinite reflectance greater than 1.0%, with a vitrinite reflectance of 1.1% corresponding...
are very similar to those of vitrinite. They differ in that semifusinite displays a folded texture as compared to vitrinite which generally maintains its...
primary component of coal, Vitrinite. High temperatures and pressures associated with Tectonic burial could produce vitrinite from woody organic material...
prehistoric times huminite, a precursor to vitrinite. In coalification huminite is replaced by vitreous (shiny) vitrinite. Maturation of bituminous coal is characterized...
physical characteristics of kerogen, such as increasing molecular density, vitrinite reflectance, and spore coloration (yellow to orange to brown to black...
plies and particles have different relative densities, determined by vitrinite content, rank, ash value/mineral content and porosity. Coal is usually...
Showpiece Variety show, an entertainment format showcasing a variety of acts Vitrinite reflectance, in sedimentology, a method for identifying the maximum temperature...
a basin is usually calibrated using thermal indicator data, including vitrinite reflectance and fission tracks in the minerals apatite and zircon. The...
homogeneous, petrographic entity of a corresponding sedimentary rock. A high vitrinite composition is ideal for CBM extraction, while inertinite hampers the...
exploration geology, often in conjunction with palynological analysis and vitrinite reflectance. Palynofacies can be used in two ways: Organic palynofacies...
formations extent mimics that of the basin. Colors indicate hydrocarbon maturity as measured by vitrinite reflectance. Huincul basement high is shown in grey....
marine phytoplankton, with varied admixtures of bitumen, telalginite and vitrinite. Marinite deposits are the most abundant oil-shale deposits. They are...
separate periods of Whin dolerite injection are confirmed by studies of vitrinite reflectance over the Alston Block where two periods of Whin contact metamorphism...
Bone, Yvonne; Lewan, Michael D. (September 1998). "Fluid inclusion and vitrinite-reflectance geothermometry compared to heat-flow models of maximum paleotemperature...
possible producer of biofuels. Torbanite consists of subordinate amounts of vitrinite and inertinite; however, their occurrence varies depending on deposits...
fixed carbon than typical bituminous coal. It includes various amounts of vitrinite and inertinite. Analytically, cannel coal consists of micrinite, and maceral...
asymmetric folds, which matches the direction of thrusting. vesiculated vitrinite A group of macerals that are the most common component of coal. vitrophyre...
compared to vitrinites and liptinites". Among the other maceral categories, funginite can also be classified under huminite and/or vitrinite. Funginite...
shallower depths due to past heat redistribution of migrating brines. Vitrinite reflectance, which typically demonstrates an exponential evolution of...
have been derived from vitrinite reflectance by measure of the percentage of incident light reflected from the surface of vitrinite particles in a sedimentary...
from lacustrine planktonic algae. In minor scale it also consists of vitrinite, inertinite, telalginite, and bitumen. Lamosite deposits are the most...
evolution of type III kerogens. The coals of the Zonguldak basin show vitrinite reflectances (Ro) of 0.45–1.70%. Hoşgörmez et al. (2002) determined that...
On A High 2003 - Pentastic 2002 - Restless 2001 - Bowood Forest 2000 - Vitrinite 1999 - Tie The Knot 1998 - Back In The Saddle 1997 - Sharscay List of...
strata of the Arkoma basin display high thermal maturity as evidenced by vitrinite reflectance (Ro) values. These values increase in grade moving from west...
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