Wasu fasahar dutsen da ta dade tana nuna manufar barin kakanninmu na sa hannu, yana ba da alamar wanzuwarsu ta dindindin. Hotunan ban mamaki da aka gano akan fuskar dutse a Bolivia alamun da ba a yi niyya ba ne daga masu zanen butulci.
Lokaci-lokaci, jerin sa'a na abubuwan da suka faru suna haifar da wani lamari mai ruɗani a duniya. Ɗaya daga cikin waɗannan misalan shine ɗimbin hanyoyin dinosaur da aka gano suna ƙawata abin da ake ganin kusan bango ne.
Sawun ƙafa akan bango
Cal Orcko wani wuri ne a sashen Chuquisaca a kudu ta tsakiyar Bolivia, kusa da Sucre, babban birnin tsarin mulkin kasar. Gidan yana gida ga Parque Cretácico (ma'ana "Cretaceous Park"), wanda ya shahara da kasancewar sawun dinosaur mafi girma a duniya akan bango.
Gano sawun dinosaur guda miliyoyin shekaru yana da ban sha'awa, amma gano 1000s a wuri ɗaya abu ne mai ban mamaki. Masana ilimin tarihi sun siffanta shi a matsayin a "Dinosaur dancefloor" tare da yadudduka na sawun sawu da ke samar da tsarin waƙoƙin giciye.
Masanan burbushin halittu sun sami damar gano wasu nau'ikan nau'ikan dinosaur da a da suka zauna a yankin, ciyarwa, fada, da gudu a wata gasa marar amfani na wanzuwa albarkacin wadannan tambari.
Damun dinosaurs
Cal Orcko yana nufin "tudun lemun tsami" a cikin yaren Quechua na asali kuma yana nufin irin dutsen da aka samo a wurin, wanda shine farar ƙasa. Wannan wurin yana kan mallakar FANCESA, kamfanin siminti na ƙasar Bolivia.
Wannan kamfani na siminti ya kasance yana hako dutse na tsawon shekaru da yawa, kuma ma'aikatansa ne suka samo sawun dinosaur na farko a 1985 a Cal Orcko. Duk da haka, sai bayan shekaru tara, a cikin 1994, babban bangon waƙar dinosaur ya bayyana ta hanyar aikin hakar ma'adinai.
Duk da cewa masana burbushin halittu sun fara yin bincike kan hanyoyin Dinosaur, fallasa yanayin muhalli da ayyukan hakar ma'adinai ya sa bangon ya ruguje ya ruguje. A sakamakon haka, an toshe wurin har tsawon shekaru takwas don a yi wani abu don kiyaye wannan bango mai daraja. A sakamakon haka, a cikin 2006, an bude Parque Cretácico ga masu yawon bude ido.
bangon Dinosaur na shahara
Katangar waƙar Dinosaur, mai tsayi kusan mita 80 da tsayin mita 1200, ba tare da shakka ita ce babban abin jan hankali wurin shakatawar ba. An gano jimlar sawun dinosaur 5055 a wannan wurin. A sakamakon haka, an yi iƙirarin cewa wannan bangon ya ƙunshi tarin sawun dinosaur mafi girma a duniya.
Masana burbushin halittu da ke binciken katangar sun gano cewa an raba sawun zuwa wayoyi guda 462, wanda ya ba su damar gano nau'ikan dinosaur iri-iri har 15. Waɗannan sun haɗa da ankylosaurs, Tyrannosaurus rex, ceratops, da titanosaurs, waɗanda duk sun wanzu a lokacin Cretaceous, don haka sunan wurin shakatawa.
Ta yaya aka sa waƙoƙin?
An yi hasashen cewa yankin Sucre ya kasance babban mashigar teku, kuma Cal Orcko wani yanki ne na gabar teku. A lokacin Cretaceous, dinosaur sun yi tafiya tare da wannan bakin teku, suna barin tambura a cikin yumbu mai laushi, wanda aka adana lokacin da yumbu ya karu a lokacin bushewa.
Za a rufe layin da ya gabata ta wani sabon nau'i na laka, kuma aikin zai sake farawa. A sakamakon haka, a tsawon lokaci, an samar da nau'ikan waƙoƙin dinosaur da yawa. An nuna hakan a shekara ta 2010 lokacin da wani yanki na bango ya fadi. Yayin da wannan ya lalata wasu waƙoƙin, ya kuma fallasa ƙarin sawun ƙafar da ke ƙarƙashinsa.
Samuwar bango
Dangane da wanzuwar nau'ikan ruwa mai daɗi a cikin bayanan burbushin halittu, an yi hasashen cewa ƙofar teku daga ƙarshe ta zama keɓaɓɓen tafkin ruwa.
Bugu da ƙari, sakamakon motsin farantin tectonic a duk tsawon lokacin Tertiary, hanyar da dinosaur a da ke tafiya a kai an tilasta shi sama, ya zama bangon kusan tsaye.
Wannan shi ne abin da ya haifar da bayyanar waƙoƙin dinosaur da ke hawan bango a yau. Katangar dutsen ta kasance tana isa ga jama'a cikin 'yanci, amma a cikin 'yan shekarun nan, baƙi za su iya hango shi kawai daga dandalin kallo a cikin wurin shakatawa.
Ko da yake, an ƙirƙiri wata sabuwar hanyar tafiya da ke ba baƙi damar isa tsakanin ƴan mitoci kaɗan na bangon, wanda ke ba su kusanci da sawun dinosaur.
Ba da tabbaci ba
Ɗayan damuwa na farko game da bangon waƙa na dinosaur shine cewa dutsen dutse ne. Gutsutsun dutsen da zai iya rabuwa lokaci-lokaci da faɗowa daga dutsen ana iya ɗaukarsa barazanar tsaro.
Wani abin damuwa shi ne, an yi kiyasin cewa, idan ba a kiyaye hanyoyin dogo yadda ya kamata ba, za a lalata su gaba daya ta hanyar zaizayar kasa nan da shekarar 2020. Sakamakon haka, ana kokarin sanya wurin shakatawa a matsayin wurin tarihi na UNESCO, wanda zai ba shi kudi don aiwatar da shi. kokarin kiyayewa.
