A shekara ta 1969, ma’aikatan gine-gine a Oklahoma, da ke Amurka, sun gano wani bakon tsari da ya bayyana cewa mutum ne ya yi, kuma a cewar marubuta da yawa, suna da damar sake rubuta tarihin Amurka ba kawai ba har ma da tarihin dukan duniya.
Wannan tsari, wanda yayi kama da dutse mosaic bene, an gano shi a cikin wani Layer wanda ƙwararrun masana suka yi imanin cewa ya kasance shekaru dubu 200. A lokaci guda kuma, ana tsammanin cewa farkon mutane sun isa Arewacin Amurka shekaru 22-19 kawai da suka wuce.
Ba da daɗewa ba bayan gano ta, an buga wani labarin game da wannan gagarumin abin da aka gano a cikin jarida "Oklahoman, " haifar da zazzafan cece-kuce tsakanin kwararru da masu karatu na yau da kullun. Labarin ya kuma kunshi hotunan wannan baki da fari guda uku "Mosaic", wadanda har yanzu su ne kawai hotunan wannan abu da suka tsira.
Ga abin da aka rubuta a labarin labarai:
“A ranar 27 ga Yuni, 1969, ma’aikatan da ke yankan dutsen da ke kan titin Broadway Extension na 122nd Street, tsakanin Edmond da Oklahoma City, sun yi tuntuɓe kan wani binciken da ya haifar da cece-kuce a tsakanin masana. …
Na tabbata cewa mutum ne ya yi shi saboda an jera duwatsun cikin ingantattun layukan layi-da-iri waɗanda suka haɗa su don samar da siffar lu'u-lu'u, duk suna nuni zuwa gabas, "in ji Durwood Pate, masanin kimiyyar ƙasa na Oklahoma City wanda ya yi nazari sosai kan lamarin da wuri.
Mun kuma sami rami na sandar (ginshiƙi) wanda yake daidai gwargwado. Dutsen saman dutsen yana da santsi, kuma idan ka ɗauko ɗaya daga cikinsu, za ka sami wani abu da ke nuni da lalacewa. Komai yana da kyau sosai don ya zama halittar halitta. ”
Dokta Robert Bell, masanin ilmin kayan tarihi a Jami'ar Oklahoma, bai yarda ba, yana mai da'awar cewa ganowar halitta ce. Dokta Bell ya bayyana cewa bai sami alamar wakilin mai sarrafa ba. Pate, a gefe guda, ya gano wani abu kamar grout - wani ruwa mai yawa da ake amfani da shi don cike gibin gine-gine - tsakanin kowane dutse.
Tsarin, wanda aka gano kusan santimita 90 a ƙarƙashin ƙasa, ya yi kama da ya ƙunshi ƙafafu dubu da yawa, a cewar Delbert Smith, masanin ilimin ƙasa, kuma shugaban Kamfanin Oklahoma Seismograph, kuma tsohon shugaban kungiyar Oklahoma City Geophysical Society. “Babu shakka game da shi. An sanya shi a fili, amma ban san wanda zai iya yin hakan ba." ya fadawa dan jaridar.
Masana ilimin kasa Delbert Smith da Durwood Pate sun yi tattaki zuwa wurin don nazarin samuwar da kuma tattara samfurori, a cewar jaridar. "Na tabbata cewa wannan ba halittar duniya ba ce, amma wani abu ne da hannayen mutane suka halitta," Smith ya ce daga baya.
Bayan kwana biyu, a ranar 29 ga Yuni, 1969, wani labarin ya bayyana game da wannan a jarida "Tulsa Duniya". A can an ba da kalmomin Delbert Smith daidai da kwanan wata da abin da aka yi a karon farko:
"Babu shakka game da hakan. Wani ne ya shigar da shi musamman, amma ban san wanda ya yi ba.”
“Wani bangare na sirrin yana da alaƙa da saduwa. Akwai ra'ayoyi daban-daban game da ilimin kasa da abin ya shafa, amma mafi kyawun ƙididdiga na shekarun waɗannan fale-falen shine shekaru dubu 200. "
An ci gaba da bincike. Gano rami na biyu a cikin “Mosaic” An bayar da rahoto a cikin The Oklahoman a ranar 1 ga Yuli, 1969. Bisa ga sakamakon ma'aunin, akwai tazarar mita biyar tsakanin ramukan biyu. A cewar Pate, dutsen da aka yi amfani da shi don ƙirƙirar mosaic shine gaurayawan farar ƙasa na Permian da hatsi quartz.
A ranar 3 ga watan Yuli, jaridar Oklahoman ta ci gaba da ba da labarin binciken, tana mai nuni da cewa bisa ga rahotannin masana ilmin tarihi, "tsohon dutse guduma" an kuma samu a wurin.
"Asirin halittar dutsen dolomite da aka gano tsakanin Oklahoma City da Edmond ya kara tsananta a ranar Laraba sakamakon gano wani abu mai kama da guduma a wurin."
Masanan ilimin kasa da suka mai da hankali kan samuwar da ba a saba gani ba sun sami wahalar bayyana asalin samuwar ko kayan tarihi. John M. Ware, masani a fannin ilimin kasa a Oklahoma City, ya ce: "Ba za a iya bayyana shi kawai ta fuskar ilimin kasa - muna buƙatar masanin ilimin kimiya na kayan tarihi don ba da ra'ayi na ƙarshe. Duk da haka, shekarunta da asalinta na iya zama asirai idan masanin ilimin kimiya na kayan tarihi ya kasa shawo kansa ya fara aikin nan ba da jimawa ba.”
“A cikin kwanaki 20, magina za su ci gaba da aikin tono wannan yanki domin fara aikin ginin rumbun ajiyar abinci. Wani abin ban sha’awa na dutsen shi ne cewa yana dauke da sinadarai na ruwa, wanda ke nuni da cewa ya taba zama filin teku.”
Pate ya kara da cewa "Samun kafa 100-by-60 yana zama abin jan hankali da sauri."
“Mutane suna ta tururuwa zuwa wurin suna yayyage guntun duwatsu. Dole ne mu ajiye shi har sai an yi wani abu don tantance asalinsa.
Abin baƙin cikin shine, kusan ƙarin ƙarin bayani game da wannan babban binciken an ba da rahoton a cikin kafofin watsa labarai na Oklahoma bayan haka, kuma abin da ya faru da shi ba a sani ba har yau.
