Nws tau kwv yees tias ze li ib nrab ntawm lub ntiaj teb cov pov thawj thee khaws cia yog tsim los ntawm subbituminous thee thiab lignite, suav nrog cov tso nyiaj hauv Australia, Brazil, Canada, Tuam Tshoj, Lub teb chaws Yelemees thiab lwm lub tebchaws nyob sab Europe sab hnub poob, Russia, Ukraine, thiab Tebchaws Meskas.
Qhov chaw ib puag ncig bituminous thee pom?
Bituminous thee yog kab tias cov roj nrov tshaj plaws rau cov tshuab hluav taws xob. Nws muaj ntau heev nyob rau ntau qhov chaw ntawm lub ntiaj teb no, tshwm sim nyob rau hauvsedimentary pob zeb formations thiab feem ntau nyob ze rau cov pob zeb limestone (tseem yog pob zeb sedimentary). Nws yog ib tug dub, banded thee uas huab cua me ntsis.
Sub bituminous siv nyob qhov twg?
Sub-bituminous thee yog siv hauv kev tsim cov nkev rau kev tsim hluav taws xob, thiab yog li nquag siv hauv cov nroj tsuag hluav taws xob. Ntxiv mus, sub-bituminous thee tuaj yeem ua kua thiab hloov mus rau hauv roj av thiab roj.
Yuav ua li cas sub bituminous thee tsim?
Tom qab theem coalification (tsim ntawm subbituminous thee, bituminous thee, thiab anthracite) tshwm sim los ntawm tob faus thiab raug cov organic teeb meem rau qhov kub thiab txias ntau dua piv rau cov uas tau ntsib los ntawm xim av coals thiab lignite.
Qhov twg subbituminous thee pom hauv Is Nrias teb?
Nws yog hom siv hluav taws xob ntau tshaj plaws rau kev tsim hluav taws xob hauv Is Nrias teb. Feem ntau ntawm bituminous thee muaj nyob hauv Jharkhand, Odisha, West Bengal,Chhattisgarh, thiab Madhya Pradesh. Subbituminous: Nws yog xim dub, npub (tsis ci ntsa iab) thiab muaj cua sov siab dua li lignite.