Cutting and felling operations are concentrated to overmature
blocks, thinning operation are carried out in mature block, and cleaning operations are in the young block.
Consequently, the depressed temperatures could preserve hydrocarbons that would otherwise be overmature
at their current position.
The thermal maturity of Silurian shales changes westwards with increasing burial depth from immature, through the oil window, wet gas window to dry gas window, and even overmature
contorta forests across much of western Canada and the USA are believed to be the result of extensive areas of mature/ overmature
stands, due to fire protection and lack of timber harvesting, coupled with a decade or more of winters with milder than normal temperatures that allowed for higher survival of overwintering life stages (Aukema et al.
Data only exist for the northeastern third of the Matapedia Basin Complex and most surface rocks are thermally overmature
. Only in the Tobique--Chaleur Belt, and specifically limited to the small area east and west of Campbellton, do vitrinite data suggest the rocks at the surface have only been buried down into the oil or condensate window, i.e., vitrinite reflectance, Ro, <2.0% = <200[degrees]C.
Although our vitrinite reflectance, thermal alteration index and pyrolysis ([T.sub.max]) data indicate overmature
stages in the Atuel depocenter, in other locations of the basin, these deep marine facies could be excellent source rocks, as well as excellent unconventional reservoirs (shale-gas/oil).
The tree was overmature
with a broken top, which is characteristic of this growth stage (Ashton 1975).
In a continuously grazed pasture you'll see overgrazed areas (phase one grass) right next to mature patches the cattle won't eat (phase three) because the plants are overmature
and coarse--with no phase two grass.
Previously published information demonstrated that immature or overmature
kiwifruit, with maturity based on harvest soluble solids concentration, can develop senescent breakdown -- the breakdown of tissues or the development of granular, mealy or soaked tissues during long cold-storage periods (Crisosto and Crisosto 2001).
robur WKH stands, which can be considered to be among the most natural stands of this forest type in Latvia, were found to be mature (in terms of cutting age, which is 100-120 years for oak in Latvia) to overmature
Liard River: island in Liard River 15 mi SW of Fort Liard, overmature
tree 60 ft high, DBH 15 ", 60.0833 [degrees] N, 123.783 [degrees] W, 21 Jul 1961, W.J.