Amatshe entaba-mlilo avela emandleni amakhulu emvelo, azalwa ukuqhuma kwe-magma evuthayo okwakha ubuso boMhlaba. Lawa matshe aphethe izindaba zokushisa kwangaphakathi koMhlaba kanye nezinqubo eziguquguqukayo, ezakhiwe lapho idwala elincibilikisiwe elivela ekujuleni koMhlaba liqhuma oqweqweni, lihlangana nomoya noma amanzi, bese liphola libe yizimo eziqinile. Itshe ngalinye lentaba-mlilo linezimpawu ezihlukile zokudalwa kwalo—ukuthungwa, umbala, kanye nesakhiwo konke okwakhiwa yizinga lokushisa, isivinini sokupholisa, kanye nokusebenzisana nezinto ezizungezile. Okwenza amatshe entaba-mlilo avelele ukuhlanganiswa kwamandla kanye nokuguquguquka, izici eziye zawenza aba yigugu emlandweni wesintu nasezikhathini zanamuhla. Kusukela kumathuluzi asendulo kuya ezimangalisweni zezakhiwo zanamuhla, kusukela ezibonelweni zocwaningo lwe-geological kuya ezixazululweni zemvelo, amatshe entaba-mlilo ayaqhubeka nokudlala indima ebalulekile emikhakheni eyahlukahlukene, ukubaluleka kwawo kusekelwe ezimpahleni ezingokwemvelo kanye nokuzivumelanisa nezimo.

Ukwakheka kwamatshe entaba-mlilo kuqala nge-magma, ingxube encibilikisiwe yamaminerali namagesi abanjwe ngaphansi koqweqwe loMhlaba. Lapho ingcindezi yakheka ngaphezu kwamandla oqweqwe lokuyibamba, kuvela ukuqhuma, okuthumela i-magma igijimele phezulu njenge-lava. Indlela i-lava ethatha ngayo futhi izimo ehlangana nazo zinquma uhlobo lwetshe lentaba-mlilo elakhayo. Uma i-lava iphola ngokushesha, njengoba kwenzeka lapho ihlangana namanzi olwandle noma umoya obandayo, iqina ngokushesha, idale amatshe anezimo ezinhle, ezifana nengilazi. Ukupholisa kancane, njengalapho i-lava ihlangana futhi iqina kancane kancane, kuvumela amaminerali ukuba acwebezele, okuholela ematsheni anezakhiwo ezinkulu, ezibonakala kakhulu. Ukusebenzisana namagesi ngesikhathi sokupholisa nakho kushiya uphawu lwakho—amagagasi egesi abanjwe ku-lava epholile adala izakhiwo ezinezimbobo, anikeze amatshe amaningi entaba-mlilo alula futhi anamandla okumunca. Lawa matshe anezimbobo, avame ukubizwa ngokuthi i-pumice noma i-scoria, aphakathi kwamatshe entaba-mlilo abonakala kakhulu, anenani lokukwazi ukubamba uketshezi nokumelana nesisindo.

Umbala wamatshe entaba-mlilo uyahlukahluka kakhulu, kusukela kumnyama ojulile kanye nompunga omnyama kuya kubomvu, onsundu, ngisho nohlaza. Lokhu kuhlukahluka kuvela kumaminerali akhona ku-magma—i-magma egcwele insimbi ikhiqiza amatshe abomvu noma ansundu, kuyilapho okuqukethwe okuphezulu kwe-silica kuholela emibala ekhanyayo. Amanye amatshe entaba-mlilo, njenge-obsidian, akha izindawo ezibushelelezi, ezinjengengilazi ezikhanya lapho zicwebezela, kanti amanye, njenge-basalt, anokwakheka okuqinile, okunezinhlayiya. Lokhu kuhluka kokubukeka akugcini nje ngokuba yisimonyo; kubonisa izakhiwo eziyisisekelo ezenza uhlobo ngalunye lwetshe lentaba-mlilo lufanelekele ukusetshenziswa okuthile. Isibonelo, i-basalt eqinile, eqinile ilungele ukusetshenziswa okunzima njengokwakhiwa, kuyilapho i-pumice enezimbobo ithola ukusetshenziswa ekusetshenzisweni okudinga ukumuncwa noma ukukhucululwa (yize ukukhucululwa kokunakekelwa komzimba kungafakiwe lapha). Itshe ngalinye lentaba-mlilo, kungakhathaliseki uhlobo, liphethe inhlanganisela ehlukile yezimpawu ezenza libe usizo ensimini eyodwa noma ngaphezulu.

Ucwaningo lwe-geology luthembele kakhulu ematsheni entaba-mlilo ukuze luvule izimfihlo zesikhathi esidlule soMhlaba futhi luqonde izinqubo zalo zamanje. Ososayensi bafunda la matshe ukuze bafunde ngokwakheka kwengubo yoMhlaba, lapho kuvela khona i-magma. Ngokuhlaziya amaminerali nama-isotope ngaphakathi kwamatshe entaba-mlilo, abacwaningi banganquma izimo zokushisa kanye nengcindezi ezijulile ngaphansi komhlaba, kanye nezinguquko kulezo zimo ngokuhamba kwesikhathi. Amatshe entaba-mlilo nawo asebenza njengezimpawu zesikhathi, esiza izazi ze-geology ukuthi zibhale usuku lokuqhuma kwentaba-mlilo futhi zidwebe izenzakalo ze-geological. Izingqimba zomlotha wentaba-mlilo kanye namatshe agcinwe edwaleni zinikeza umugqa wesikhathi womsebenzi wentaba-mlilo woMhlaba, zinikeza izinkomba mayelana nokuthi amapuleti e-tectonic ahamba futhi asebenzisana kanjani. Ezindaweni ezinezintaba-mlilo ezisebenzayo, ukufunda amatshe entaba-mlilo akamuva kusiza ososayensi ukubikezela ukuqhuma kwesikhathi esizayo, okuhlinzeka ngolwazi olubalulekile emiphakathini ehlala eduze. Ngakho-ke amatshe entaba-mlilo awufakazi obuthule bomlando woMhlaba, aphethe idatha esiza abantu ukuqonda iplanethi abahlala kuyo.

Ifa lamasiko lingenye indawo lapho amatshe entaba-mlilo ebaluleke kakhulu. Sekuyizinkulungwane zeminyaka, abantu bebesebenzisa amatshe entaba-mlilo njengamathuluzi, izikhali, nezinto zemikhosi. Imiphakathi yasendulo yayiqaphela amandla nokuqina kwamatshe entaba-mlilo, yakha izimbazo, imimese, nezando ezivela ku-basalt kanye ne-obsidian. I-Obsidian, enemiphetho yayo ebukhali lapho iphukile, yayibaluleke kakhulu ngamathuluzi adinga ukunemba. Ngaphandle kokusetshenziswa okungokoqobo, amatshe entaba-mlilo adlala indima engokomoya namasiko. Amasiko amaningi asendulo ayebheka izintaba-mlilo njengezingcwele, namatshe entaba-mlilo njengezipho ezivela konkulunkulu noma okhokho. Kweminye imiphakathi, amatshe entaba-mlilo ayeqoshwa ezifanekisweni, izikhumbuzo, nezinto zemikhosi, ukuba khona kwawo ezindaweni zemivubukulo kunikeza ukuqonda ngezinkolelo nemikhuba yabantu basendulo. Isibonelo, amakhanda amakhulu amatshe e-Easter Island ayeqoshwa edwaleni lentaba-mlilo, idwala lentaba-mlilo elithambile elingabunjwa ngamathuluzi alula. Lezi zithombe, ezinesisindo samathani, zimi njengobufakazi bekhono nokuzinikela kwabantu basendulo, kanye nokubaluleka kwamasiko kwamatshe entaba-mlilo.

Ekwakhiweni kwezakhiwo zanamuhla, amatshe entaba-mlilo avele njengezinto ezidumile, ezibhekwa njengobuhle kanye nezakhiwo ezisebenzayo. Abaklami nabaklami bayakwazisa ubuhle bemvelo bamatshe entaba-mlilo—ukuthungwa okuhlukile, imibala ecebile, kanye nezimo eziphilayo ezifaka ukufudumala kanye nobunjalo ezakhiweni. Amatshe entaba-mlilo asetshenziswa ezinhlotsheni ezahlukene zezakhiwo, kusukela ekumbozweni kwangaphandle kanye nophahla kuya ekuhlobisweni kwangaphakathi kanye nezingcezu zokugcizelela. I-Basalt, enobukhulu bayo nokuqina kwayo, ivame ukusetshenziselwa ukufakwa phansi kwangaphandle kanye nodonga, ekwazi ukumelana nezimo zezulu ezinzima ngaphandle kokuphela noma ukuwohloka. Amatshe entaba-mlilo anezimbobo njenge-pumice asetshenziswa ezintweni zokuhlobisa, isimo sawo esilula okwenza kube lula ukuwaphatha nokuyifaka. Ezinye izakhiwo zesimanje zisebenzisa amatshe entaba-mlilo ukudala imiklamo eqhubekayo—amatshe anezimbobo angasiza ekukhipheni amanzi, ukunciphisa ukugeleza kwamanzi kanye nokukhuthaza ukushaja kwamanzi angaphansi komhlaba. Amatshe entaba-mlilo nawo ahambisana kahle nezinye izinto ezifana nokhuni, insimbi, kanye nengilazi, okudala ukuhlukahluka okumangalisayo okuthuthukisa umklamo jikelele. Kungakhathaliseki ukuthi asetshenziswa ezindlini zokuhlala, ezakhiweni zezentengiselwano, noma ezindaweni zomphakathi, amatshe entaba-mlilo aletha ubuhle bemvelo nokuqina kumaphrojekthi ezakhiwo.

Sekuyisikhathi eside abaculi bekhangwa amatshe entaba-mlilo, bephefumulelwe ubuhle bawo obungavuthiwe kanye nezakhiwo zawo eziyingqayizivele. Abaqophi bezithombe, ikakhulukazi, bayawazisa amatshe entaba-mlilo ngenxa yokuhlukahluka kokwakheka kanye namazinga obulukhuni, okuvumela ukuvezwa okubanzi kobuciko. Abanye abaculi basebenza nge-basalt eqinile, elukhuni, beyiqopha ibe yizithombe eziyinkimbinkimbi kanye nezinhlobo ezingabonakali ezibonisa amandla nokuqina kwetshe. Abanye bakhetha i-tuff noma i-pumice yentaba-mlilo ethambile, engaqoshwa kalula, okuvumela imininingwane ebucayi kanye nezimo ezigelezayo. Amatshe entaba-mlilo nawo ayakwamukela kahle ukupholisha, lapho i-obsidian kanye nezinhlobo ezithile ze-basalt zithuthukisa izindawo ezicwebezelayo ezibonisa ukukhanya futhi zigqamise umbala wemvelo wetshe. Abaculi abaningi basebenzisa amatshe entaba-mlilo ukudala imisebenzi exhumanisa nemvelo kanye nezinqubo zoMhlaba, izingcezu zawo ziveza amandla ezintaba-mlilo kanye nokungaphelelwa isikhathi kwetshe. Le misebenzi yobuciko ingatholakala kumagalari, eminyuziyamu, nasezindaweni zomphakathi emhlabeni jikelele, isebenza njengezikhumbuzo zamandla okubukeka kwamatshe entaba-mlilo.

Ukuvikelwa kwemvelo kuyinsimu ekhulayo lapho amatshe entaba-mlilo enza khona umnikelo omkhulu, ngenxa yesakhiwo sawo esinezimbobo kanye nezakhiwo zemvelo. Esinye sezicelo ezibalulekile ukuhlanzwa kwamanzi—amatshe entaba-mlilo anezimbobo asebenza njengezihlungi, abambe ukungcola kanye nokungcola njengoba amanzi edlula. Indawo yawo enkulu ihlinzeka isikhala sokuba amabhaktheriya awusizo akhule, abhidliza ukungcola okungokwemvelo futhi athuthukise ikhwalithi yamanzi. Amatshe entaba-mlilo asetshenziswa kokubili ezinhlelweni zokwelashwa kwamanzi ezincane nezinkulu, kusukela kumayunithi okuhlunga asekhaya kuya ezitshalweni zokuhlanza amanzi amdaka zikamasipala. Asetshenziswa futhi ezindaweni zokugcina amanzi kanye namachibi ezinhlanzi, lapho asiza khona ukugcina amanzi ahlanzekile futhi anikeze indawo yokuhlala yama-microorganisms awusizo. Okunye ukusetshenziswa kwamatshe entaba-mlilo emvelweni ukulungisa inhlabathi—izinhlobo ezithile zamatshe entaba-mlilo zingamunca izinsimbi ezisindayo kanye nezinye izinto ezingcolisayo ezivela enhlabathini engcolisiwe, zisize ukubuyisela umhlaba esimweni esisebenzisekayo. Amatshe entaba-mlilo nawo asetshenziswa ekulawuleni ukuguguleka, ukuthungwa kwawo okuqinile kanye nesisindo kusiza ekuqiniseni imithambeka futhi kuvimbele inhlabathi ukuthi ingakhukhuleki ngesikhathi semvula enkulu. Ngalezi zindlela, amatshe entaba-mlilo anikela eplanethini enempilo ngokubhekana nezinselele zemvelo ezicindezelayo.

Umkhakha wezinto zezimboni uphinde uzuze ngezakhiwo ezihlukile zamatshe ezintaba-mlilo, uwasebenzisa ezinhlotsheni ezahlukene zokusetshenziswa ukuthuthukisa ukusebenza komkhiqizo. Ukusetshenziswa okuvamile kuhlanganiswe kukhonkolo kanye ne-asphalt. Amatshe ezintaba-mlilo, ikakhulukazi i-basalt, aqinile futhi ahlala isikhathi eside, okwenza abe afanelekela ukuqinisa ikhonkolo esetshenziswa emigwaqweni, emabhulohweni, nasezindlini. Imvelo yawo elula, uma kwenzeka amatshe ezintaba-mlilo anezimbobo, inganciphisa isisindo sezakhiwo zekhonkolo, iwenze asebenze kahle futhi angabizi kakhulu. Amatshe ezintaba-mlilo nawo asetshenziswa ekukhiqizeni izinto zobumba kanye nengilazi—itshe lentaba-mlilo eligayiwe lengeza amandla nokumelana nokushisa kulezi zinto, okwenza zifanele ukusetshenziswa kwezinga lokushisa eliphezulu. Ngaphezu kwalokho, amatshe ezintaba-mlilo asetshenziswa njengezinto ezihuquzelayo, kanti i-pumice kanye ne-obsidian kuvame ukugaywa kube yizimpuphu zokusetshenziswa emikhiqizweni yokuhlanza kanye nezinto ezihuquzelayo zezimboni. Ubulukhuni bazo bemvelo kanye nekhono lokuqhekeka zibe yizinhlayiya ezibukhali kuzenza zisebenze kahle ekususeni ukugqwala, upende, kanye nezinye izinto zokumboza ebusweni. Amatshe ezintaba-mlilo nawo asetshenziswa ezintweni zokuvikela, ngezinhlobo ezinezimbobo ezihlinzeka ngokuvikela ukushisa okuhle kakhulu okusiza ukunciphisa ukusetshenziswa kwamandla ezakhiweni nasezindaweni zezimboni.

Esinye sezici eziphawuleka kakhulu ngamatshe entaba-mlilo yikhono lawo lokuzivumelanisa nezidingo zabantu ezishintshayo. Kubantu basendulo, ayengamathuluzi okusinda kanye nezimpawu zokholo. Kososayensi banamuhla, ayizihluthulelo zokuqonda uMhlaba. Kubakhi bezakhiwo nabadwebi, ayimithombo yobuhle nokuphefumulelwa. Kwabezemvelo kanye nabezimboni, ayizixazululo zezinkinga ezingokoqobo. Lokhu kuzivumelanisa nezimo kuvela ezicini ezingokwemvelo zamatshe entaba-mlilo—amandla, ukuqina, ukugoba, kanye nobuhle bemvelo—izici ezihlala zibalulekile kungakhathaliseki isikhathi noma ubuchwepheshe. Njengoba abantu beqhubeka nokubhekana nezinselele ezintsha, kusukela ekushintsheni kwesimo sezulu kuya ekuthuthukisweni okusimeme, amatshe entaba-mlilo cishe azodlala indima ebaluleke kakhulu, amandla awo angakahlolwa ngokugcwele.

Ukuhlola izakhiwo kanye nokusetshenziswa kwamatshe entaba-mlilo kuyaqhubeka nokukhula, abacwaningi kanye nabasunguli bezinto ezintsha bethola izindlela ezintsha zokusebenzisa lezi zinto zemvelo. Isibonelo, izifundo zakamuva zibheke ukusebenzisa amatshe entaba-mlilo ekuthuthukiseni izinto zokwakha ezisimeme, njengokhonkolo olunekhabhoni ephansi olusebenzisa umlotha wentaba-mlilo esikhundleni sikasimende. Olunye ucwaningo lugxile ekusebenziseni amatshe entaba-mlilo ezinhlelweni zamandla avuselelekayo, njengemiklamo yamandla angaphansi komhlaba lapho amatshe entaba-mlilo esiza ukudlulisa ukushisa kahle. Kwisayensi yezemvelo, ososayensi bahlola izindlela zokusebenzisa amatshe entaba-mlilo ukuze babambe i-carbon dioxide emkhathini, okusiza ekunciphiseni imiphumela yokushintsha kwesimo sezulu. Lezi zicelo ezivelayo zibonisa ukuthi amatshe entaba-mlilo awawona nje amatshe ezinto zakudala noma zokuhlobisa, kodwa izinto ezinamandla ezingaba negalelo esikhathini esizayo sobuchwepheshe obusimeme.

Ukunakekela nokulondoloza amatshe entaba-mlilo nakho kubalulekile, ikakhulukazi kulabo abanokubaluleka kwamasiko noma kwezemvelo. Izinto eziningi zasendulo ezenziwe ngamatshe entaba-mlilo zibuthakathaka futhi zidinga ukunakekelwa okukhethekile ukuvimbela umonakalo ovela ekushiseni kwezulu, ukungcola, kanye nemisebenzi yabantu. Iminyuziyamu nezindawo zemivubukulo zisebenzisa amasu akhethekile ukuhlanza, ukulungisa, nokuvikela lezi zinto, ukuqinisekisa ukuthi zingafundwa futhi zaziswa yizizukulwane ezizayo. Ocwaningweni lwezemvelo, ukulondoloza amasampula amatshe entaba-mlilo avela ekuqhumeni nasezifundeni ezahlukene kubalulekile ekugcineni amarekhodi anembile omlando woMhlaba. Ngisho nasezisetshenzisweni zezimboni nezakhiwo, ukusebenzisa amatshe entaba-mlilo ngokuzibophezela—ngokuwathola ezindaweni zokumba ezisimeme nokunciphisa imfucuza—kusiza ukuqinisekisa ukuthi lezi zinsiza ezibalulekile zihlala zitholakala ukuze zisetshenziswe esikhathini esizayo.

Amatshe entaba-mlilo nawo anekhono lokuxhumanisa abantu nemvelo kanye nomunye nomunye. Emiphakathini ehlala eduze kwezintaba-mlilo, amatshe entaba-mlilo ayingxenye yokuphila kwansuku zonke, asetshenziswa ekwakheni, kwezolimo (nakuba i-种植行业 ingafakiwe), kanye nemikhuba yamasiko. Asebenza njengezikhumbuzo zamandla nobuhle bezwe lemvelo, kanye nobuhlobo bomuntu noMhlaba. Kubantu abakude nezintaba-mlilo, amatshe entaba-mlilo aletha ucezu lwaleso simangaliso semvelo emakhaya abo, emahhovisi nasezindaweni zomphakathi. Kungakhathaliseki ukuthi ngengcezu yokuhlobisa ye-obsidian ecwebezelayo, phansi kwe-basalt, noma ngobuciko bomqophi, amatshe entaba-mlilo ahlanganisa igebe phakathi kwezindawo ezenziwe ngabantu nomhlaba wemvelo.

Ekuphetheni, amatshe ezintaba-mlilo ayizinto ezingavamile ezinomlando ocebile kanye nezicelo ezahlukahlukene. Azalwa ngokuqhuma komlilo, aphethe izindaba zesikhathi esidlule nesamanje soMhlaba, kuyilapho ekhonza izinjongo ezisebenzayo nezobuhle emphakathini wesintu. Kusukela ocwaningweni lwe-geological kuya efeni lamasiko, kusukela ekwakhiweni kwezakhiwo kuya kwezobuciko, kusukela ekuvikelweni kwemvelo kuya ezintweni zezimboni, amatshe ezintaba-mlilo adlala indima ebalulekile ethinta izici eziningi zokuphila. Izakhiwo zawo ezihlukile—amandla, ukuqina, ukuvuleka, nobuhle bemvelo—awenza abe yinto ebaluleke kakhulu, futhi ukuzivumelanisa nezimo kwawo kuqinisekisa ukuthi azoqhubeka nokubaluleka ezizukulwaneni ezizayo. Njengoba abantu beqhubeka nokuhlola nokusungula izinto ezintsha, amatshe ezintaba-mlilo ngokungangabazeki azothola ukusetshenziswa okusha, okuqinisa indawo yawo njengenye yezinsiza zemvelo ezibaluleke kakhulu eMhlabeni.

Okwenza amatshe entaba-mlilo abe akhethekile ngempela akukhona nje ukuthi awusizo, kodwa futhi nekhono lawo lokuvusa ukwesaba kanye nelukuluku. Itshe ngalinye lentaba-mlilo liwumkhiqizo wamandla amakhulu oMhlaba, isixhumanisi esibonakalayo sangaphakathi eliguquguqukayo leplanethi. Kungakhathaliseki ukuthi abanjwe ngesandla, ahamba phansi, noma ahlonishwa njengomsebenzi wobuciko, amatshe entaba-mlilo akhumbuza abantu indawo yawo emhlabeni wemvelo kanye namathuba angenamkhawulo avela ekusebenzeni nemvelo, kunokuba aphikisane nayo. Ezweni eligxile kakhulu ekusimeni nasekuxhumekeni nemvelo, amatshe entaba-mlilo avelela njengezinto ezibonisa kokubili ukusebenza kanye nokumangala, okwenza abe yingxenye ebalulekile yempilo yanamuhla kanye nekusasa elizayo.

Njengoba ucwaningo ngamatshe entaba-mlilo luqhubeka, ososayensi bathola okwengeziwe ngezakhiwo zawo kanye namandla awo. Isibonelo, ucwaningo ngesakhiwo samatshe entaba-mlilo anezimbobo luye lwembula ukuthi angasetshenziswa ukugcina amandla, njengoba indawo yawo enkulu kanye nekhono lokubamba uketshezi okwenza kube kuhle ukusetshenziswa kumabhethri nasemaseli kaphethiloli. Olunye ucwaningo luhlola ukusetshenziswa kwamatshe entaba-mlilo kwezokwelapha (yize i-医学行业 ingafakiwe) kanye ne-biotechnology, yize ukusetshenziswa okunjalo kusesezigabeni zokuqala. Ngisho nasemasimini lapho amatshe entaba-mlilo ebesetshenziswa khona amakhulu eminyaka, amasu amasha kanye nobuchwepheshe kwenza ukusetshenziswa kwawo kusebenze kahle futhi kuqhubeke isikhathi eside. Isibonelo, izindlela zanamuhla zokumba zinciphisa umthelela emvelweni, kuyilapho amasu okucubungula athuthukile evumela ukwakheka nokuqedwa okunembile kwamatshe entaba-mlilo kwezicelo zokwakha nezobuciko.

Amatshe entaba-mlilo nawo adlala indima emfundweni, esiza abafundi kanye nabathanda ukufunda nge-geology, umlando wemvelo, kanye nesayensi yezemvelo. Iminyuziyamu eminingi inemibukiso equkethe amatshe entaba-mlilo, echaza indlela akha ngayo kanye nokubaluleka kwawo emikhakheni ehlukene. Izinhlelo zemfundo zivame ukusebenzisa amatshe entaba-mlilo njengamathuluzi okufundisa asebenzayo, okuvumela abafundi ukuthi bahlole ukuthungwa kwawo, isisindo, nombala wawo, futhi baqonde ukuthi lezi zakhiwo zihlobene kanjani nokwakheka kwawo kanye nokusetshenziswa kwawo. Ngokuzibandakanya namatshe entaba-mlilo ngqo, abantu babo bonke ubudala bangathuthukisa ukwazisa okujulile ngezwe lemvelo kanye nezinqubo ezilibumbayo.

Ngamafuphi, amatshe ezintaba-mlilo awawona nje amatshe—ayizinto ezisebenziseka kalula, eziyigugu eziye zabumba umlando wesintu futhi ziyaqhubeka nokubumba umhlaba wanamuhla. Ukwakheka kwawo kusukela ekuqhumeni kwe-magma kuwanika izakhiwo ezihlukile ezenza afanelekele ukusetshenziswa okubanzi, kusukela ekusebenzeni kuya ekubukekeni. Kungakhathaliseki ukuthi asetshenziswa ocwaningweni lwe-geological ukuvula izimfihlo zoMhlaba, efeni lamasiko ukulondoloza amasiko asendulo, ekwakhiweni kwezakhiwo ukudala izakhiwo ezinhle nezihlala isikhathi eside, kwezobuciko ugqozi lokudala, ekuvikelweni kwemvelo ukuvikela iplanethi, noma embonini ukuthuthukisa imikhiqizo, amatshe ezintaba-mlilo ayingxenye ebalulekile yomphakathi wesintu. Njengoba sibheke esikhathini esizayo, amatshe ezintaba-mlilo ngokungangabazeki azoqhubeka nokudlala indima ebalulekile, amandla awo anqunyelwe kuphela umcabango womuntu.