2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Obsidian feem ntau yog dub. Cov xim no yog ua los ntawm feeb suav nrog thiab cov muaju me me hauv khob. Liab xim yog tshwm sim los ntawm tib yam khoom uas muab xim liab rau weathered bas alt, suab puam xuab zeb thiab K-feldspar. … Obsidian feem ntau yog tsaus thiab nws qhov chaw ci ntsa iab.
Vim li cas obsidian dub yog tias nws yog felsic?
Obsidian feem ntau yog xim av xim av lossis xim dub. Tsis zoo li bas alt, obsidian cov xim tsaus yog vim ntau cov impurities ntau dua li qhov muaj cov xim tsaus nti. Cov xim ntawm obsidian nyob ntawm cov tshuaj muaj pes tsawg leeg ntawm impurities.
Puas yog obsidian xim dub?
Txawm hais tias obsidian yog feem ntau dav hlau-dub hauv cov xim, muaj cov hematite (hlau oxide) tsim cov xim liab thiab xim av, thiab suav nrog cov npuas me me tuaj yeem tsim kom muaj xim kub. sheen. Lwm hom uas muaj cov kab tsaus nti lossis mottling hauv grey, ntsuab, lossis daj kuj paub.
Vim li cas pob zeb obsidian thiaj li muaj lub ntsej muag dub?
Obsidian yog tsim thaum lub roob hluav taws felsic lava txias sai sai nrog kev loj hlob tsawg kawg nkaus. Cov tshuaj (hodium silica cov ntsiab lus) tsim cov viscosity siab uas tsim lub iav ntuj los ntawm lava thaum ziab sai.
Obsidian tau nws cov xim li cas?
Obsidian yog qhov tshwm sim ntawm volcanic lava tuaj rau hauv dej. Feem ntau cov lava nchuav rau hauv lub pas dej lossis dej hiav txwv thiab txias sai sai. Cov txheej txheem no tsim ib qho kev ntxhib los mos hauv cov pob zeb uas tshwm sim. Hlauthiab magnesium muab obsidian tsaus ntsuab rau xim dub.
Pom zoo:
Vim li cas scorpions ci hauv qab lub teeb dub?
Cov kws tshawb fawb paub dab tsi yog ib yam dab tsi hauv cov scorpions 'exoskeletons ua rau lawv ci. … Lub cuticle no muaj ib seem hu ua "hyaline txheej." Cov txheej hyaline yog qhov ua rau lub teeb ci ultraviolet (UV) xws li lub teeb dub lossis lub hli hli, thiab ua rau cov kab laug sab lub cev ci.
Thaum twg yog cov noog dub dub uas tau teev tseg tias muaj kev puas tsuaj?
Lub Tricolored Blackbird yog suav nrog 2014 Lub Xeev Ntawm Cov Noog Saib. Twb tau teev tseg tias Kev Tiv Thaiv Kab Mob Los ntawm IUCN-World Conservation Union, cov tsiaj yog tam sim no tus neeg sib tw rau npe nyob rau hauv US Endangered Species Act (ESA), nrog rau California lub xeev ESA.
Puas yog tus neeg tua dub lossis qia dub?
Raws lub npe qhov txawv ntawm blaggard thiab blackguard yog tias blaggard yog (dated) ib tug neeg phem; ib tug neeg tsis paub txaj muag; ib tug neeg tsis ntseeg siab feem ntau, tsuas yog siv los hais rau ib tug txiv neej thaum tus neeg saib xyuas dub yog (hnub tim) tus neeg phem;
Vim li cas lub roob dub dub?
Lub npe "Black Hills" los ntawm Lakota lo lus Paha Sapa, uas txhais tau tias " toj siab dub." Pom los ntawm qhov deb, cov no Pine-cov toj, nce ntau txhiab ko taw saum toj ib puag ncig thaj av, tshwm xim dub. Dab toj ntxas keeb kwm yog dab tsi?
Rau wubba lubba dub dub?
In the 2014 episode "Ricksy Business" (Season 1, Episode 11), tus cwj pwm Birdperson qhia tias nws hom lus, wubba lubba dub dub txhais tau tias, "Kuv mob siab, thov pab. me." Yog li tiag tiag, thaum twg ib tug neeg hais tias wubba lubba dub dub, peb yuav tsum tau muab rau lawv puag loj es tsis txhob luag.
