Stalagmite thiab stalactite: txoj kev ntawm kev kawm ntawv, qhov sib txawv thiab zoo sib xws

Muaj ntau ntawm peb ntseeg tau hais tias cov pob zeb thiab roob cov muaj zog, thiab peb ntau zaus siv cov lo lus raws li ib tug epithet. Tab sis yog hais tias lawv yeej tau xws li ib tug txiv neej yuav tsis pom ib tug stalagmite thiab stalactite. Qhov no yog vim hais tias ib tug nco dej ntws los ntawm cov thickness ntawm lub pob zeb rau lub qhov tsua down, incurring ib negligible nqi ntawm limestone. Nws ces kis tau los ntawm lub ntiaj teb mus rau hauv lub qis khaubncaws sab nraud povtseg ntawm cov tuav txoj cai thiab evaporated rau ntawd los ntawm lub tshav kub ntiaj teb tus ntxhais. Tab sis lub cov ntaub ntawv uas hais tias nws cia li nkaum kiag qhov seem rau hauv pem teb los yog nyob rau lub qab nthab ntawm lub qhov tsua los ntawm kev uas muaj kev tswj kom infiltrate peb nco.

Stalagmite stalactite thiab limestone yog excrescences tsim thaum lub sij hawm dej reclamation. Txawm li cas los, cov dej siab yog tsis yog los ntawm ib tug ntau yam pauv loj xwm, ces tus tsim ntawm cov ntaub ntawv yog heev qeeb loj hlob. Sib nrug los ntawm qhov tseeb hais tias lub ntxuav mob sib sib zog nqus mus rau hauv lub limestone qhov tsua, lawv kuj sau calcium thiab ib co lwm yam. Qhov no yuav tau piav los ntawm ib tug ntau yam ntawm cov xim thiab ntxoov uas muaj ib tug stalagmite thiab stalactite.

Nyob ntawm seb cov kev ceev uas dej nkag saib growths raug tsim nyob rau hauv tej qhov tsua. Thaum nws ntws maj mam, nws zoo nkaus li stalactite, uas muaj nws cov keeb kwm nyob rau hauv lub qab nthab. Yog hais tias cov dej txia sai txaus kom tsis si heev sab saum toj thiab ntxuav ntau yam ntaub ntawv mus rau hauv pem teb ntawm lub qhov tsua, ces ib tug stalagmite. Tej zaum nws tshwm sim hais tias lub hnub nyoog ntawm cov build-up nce mus txog ib theem siab, thiab lawv yog koom nyob rau hauv ib kem. Txij li thaum muaj yog lawv union, lawv ua stalagnates. Qhov tseem tsis tshua pom, raws li cov chav nyob rau hauv lub qhov tsua yog muab faib ua ob cais cov chav stalagnatnym kev kawm ntawv. Qhov no yog hu ua drapery. Nws yog ib nqi sau cia hais tias nyob rau hauv stalagnates feem ntau yuav pom sparkling pob zeb. Qhov no muaju siv lead ua, uas yog tsim nyob rau hauv lub roob. Feem ntau drape thiab stalagnates tawg nyob rau hauv thiaj li yuav tau cov sparkling pob zeb.

Txawm tias tag nrho cov sib txawv, lub stalagmite thiab stalactite li txhua lwm yam. Nws cov lus dag nyob rau hauv muaj pes tsawg leeg. Nyob rau hauv ib lub qhov tsua muaj peev xwm yuav txawv stalactites thiab stalagmites. Tag nrho cov ntsiab ntawm cov uas lawv muaj, yuav tsum zoo xws li txhua lwm yam. Kev loj hlob formations yog ib tug qeeb txheej txheem. Ib tug centimeter ntawm stalactite peev xwm yuav tsim ib puas xyoo los yog ntau txawm tias. Thiab feem ntau cov stalagmites loj hlob heev lawm. Qhov no yog vim lub fact tias cov dej yog slowed down thaum lub sij hawm nws mus ncig teb chaws los ntawm lub pob zeb. Thiab tsis tshua nws yog muaj peev xwm kom muaj txaus siab rau lub caij nplooj zeeg rau hauv pem teb ntawm lub qhov tsua nrog limestone.

Koj yuav tsis txawm xav txog tej yam yuav ua li cas zoo nkauj stalactites thiab stalagmites. Photo muaj peev xwm sawv ntawm kis lawv cov tsos nyob rau hauv Feem ntau, tab sis thaum koj saib nyob rau ntawm lawv los ntawm ces kaum sib txawv, los yog lub teeb xais, zoo nkaus li lawv hloov lawv cov xim thiab cov duab.

Yog lwm lub hom phiaj ntawm lub tsim ntawm lub qhov tsua growths. Nws twb hais nyob rau hauv 1970 thiab teem nyob rau hauv lub fact tias lub stalactites thiab stalagmites yog tsim los ntawm qhov kev txiav txim ntawm ib tug pwm. Thaum koj tsim tau ib cov paaj ib puag ncig rau txoj kev loj hlob, nws pib tsim. Txawm li cas los, Yog hais tias qhov no kev tshawb xav yog muaj tseeb, ces yog vim li cas yog muaj tseem tsis tau tsim ib co qhov tsua nrog stalactites? Nyob rau hauv txhua rooj plaub, txawm tus paub tsis meej ntawm cov extraordinary qhov tsua hais nyob rau hauv lawv tus kheej los yog muab, lawv yeej txaus siab nrog cov views ntawm cov neeg muaj hmoo uas muaj lub sij hawm los saib lawv nyob rau ntawm tsawg kawg yog ib zaug.