
asphaaltaitt

thaarathamyena uyarnna urukunna thapanilayulla asphaalttinte (allengil bittumen) oru roopamaaya swaabhaavikamaayi layikkunna khara hydrocarbon aanu asphaaltaitt (uyintaahait, asphaalttam, gilsonite allengil oayil sands ennum ariyappedunnu). american aikyanaadukalile uttayileyum coloradoyileyum uynta thadatthilaanu ithinte valia thothilulla uthppaadanam nadakkunnathu. charitraparamaayi uynta thadatthil eee padaartham khananam cheyyappettittunde, columbia, iraan thudangiya mattu rajyangalil vibhavangal aduthide kandethukayum khananam cheyyukayum cheiyunnu. thilangunna karutha obsidiyanodu saamyamulla bhoogarbha shaafttukalil ninnu gilsonite khananam cheiyunnu.
1860-kalil kandethiya ithu ekadesham 25 varshathinu sesham oru lakshar, electrical insulator, waterproofing samyuktham enningane saamuval echu aadyamaayi vipananam cheythu. gilson.
charithram.
1860kalilaanu gilsonite kandethiyathu. 1888 aayappozhekkum saamuval echu. eee padaartham khananam cheiyunnathinaayi gilson oru kambani aarambhichuvenkilum udan thanne eee sira uyinthayilum aure indian reservationilum undennu kandethi. valia rashtreeya sammarddathil 1888 meyy 24 nuu kongras chilare samvaranathil ninnu neekkam cheythu, khananam niyamaparamaayi munnott pookaan anuvadichu. aadyakaala janasamkhya valarchaykku kaaranamaaya uynta thadatthile aadyathe valia vaanijya samrambhamaayi gilsonite khananam maari.
randaam lokamahaayudhasamayathu khanana gilsonite maanuval aayirunnu, aarr poundu pick upayogichu, thudarnnu ayiru 200 poundu chaakkukalaayi uruttukayum avaa kaikondu thunnicherkkukayum cheythu. 
gilsonite-brand yuyintaahaittinte aadyakaala prayogangalil baggikalkkulla peyintukalum bear-vaatt lininginulla emulsionukalum ulppedunnu. foord motor kambani mikka foord model tii kaarukalilum upayogikkunna japanese black laakvarinte pradhana gadakamaayi ithu upayogichirunnu.
rachana.
kaarban disulfide allengil tii. sii. iii (trichloroethylene) polulla enna laayanikalil layikkunna oru vasthuvayi gilsonitine tharamthirichittundu. gilsonitinte oru pradhana ghadakam kaarban aanu; naitrajan, sulfur ennivayulppede mattu niravadhi moolakangalum chila asthira samyukthangalum ithil adangiyirikkunnu.
karuthalum upayogavum.
aagolathalathil, prathyekichu thadangalkkullil, gilsonite shekharam vitharanam cheyyappedunnu. kullan grahamaaya seresilum ithu kandethiyittundu, chovvayile chandran phobosil ithu nilanilkkumennu pravachikkappedunnu.
160-ladhikam uthppannangalil, pradhaanamaayum irunda niratthilulla printing mashikalum peyintukalum, oayil well drilling manal, simants, asphaalt modifierukal, foundri manal aditteevukal, vaividhyamaarnna raasa uthppannangal ennivayil gilsonite upayogikkunnu. 1921 ll rajisttar cheytha vyaapaaramudra, paapparathatthinu apekshicha american gilsonite kambaniyudethaanu, punasamghadanaa amgeekaaram labhicha sesham 2017 januvari 3 nuu athil ninnu uyarnnuvannathayi thonnunnu. 
asphaalttile bittumeninte oru saadhaarana parishkkaranamaan gilsonite. bittumenumayi gilsonite kalarthunnathu nadappaathakalude shakthiyum prathirodhavum vardhippikkunnu.</chaina, india, iraan thudangiya rajyangalil eee aaplikkeshan prayogikkunnu. turkkiyil "asphaalttit" ennariyappedunna ithu turkeyile kalkari vaidyutha nilayamaaya silopiyil kathikkunnu.

