Mpuluzi Batholith: Munthu wazaka 200 miliyoni wapezeka ku South Africa

Kodi mtundu waukulu wachilendo unabwera kudzakhala Padziko Lapansi zaka mazana mamiliyoni zapitazo? Umboni padziko lonse umati inde, zimphona zinalipo. Chomera ichi ndi chachikulu kwambiri, pafupifupi mita imodzi ndi theka. Ndipo malinga ndi ambiri, ameneyo si munthu, ameneyo akhoza kukhala zamoyo zakuthambo.

Wolemba waku South Africa, wasayansi, wofufuza, ndi wofufuza malo Michael Tellinger (wotchedwa "South African Indiana Jones") akuwonetsa chomwe chingakhale chimodzi mwa zigawo zochititsa chidwi kwambiri za umboni wakuti zimphona poyamba ankayendayenda Padziko Lapansi.

Mpuluzi Batholith: Munthu wazaka 200 miliyoni wapezeka ku South Africa 1
Michael Tellinger akuwonetsa zomwe zingatheke Chimodzi mwazinthu zabwino kwambiri zotsimikizira kuti panali zimphona Padziko Lapansi kalekale, kalekale. Pafupifupi mamita 4 m’litali, munthu amene akanasiya phazi limeneli ayenera kuti anali wamtali pafupifupi mamita 24 kapena 7.5. Tsambali likutipatsa vuto lenileni komanso chinsinsi chozama chomwe chiyenera kuthetsedwa. © Mawu a Zithunzi: YouTube

Akatswiri a miyala achita chidwi kwambiri ndi malo otalika mamita 4 mu granite. Ena amanena kuti ndi chilengedwe kukokoloka Mbali Komabe, n'zovuta kunena kwa nthawi.

Malinga ndi Prof. Pieter Wagener wa ku Nelson Mandela Metropolitan University ku Port Elizabeth SA, komanso wa PhD pa masamu ogwiritsira ntchito, "Pali kuthekera kwakukulu kwa anyamata ang'onoang'ono obiriwira omwe amabwera kuchokera mlengalenga ndikuyamwa ndi malirime awo kusiyana ndi kukokoloka kwachilengedwe." Ili ku South Africa, kufupi ndi malire a Swaziland, m'tauni ya Mpaluzi.

Chifukwa cha kumvetsetsa kwathu kwaposachedwa kwa mapangidwe a granite m'mbiri yonse ya Dziko Lapansi, akukhulupirira kuti ali pakati pa zaka 200 miliyoni mpaka 3 biliyoni. Chibwenzichi nthawi yomweyo chimayambitsa kusagwirizana, choncho zikhala bwino kuti tikhale ndi maganizo omasuka ndikuyang'ana zambiri.

Mphatso ya granite yodabwitsayi idapezeka mu 1912 ndi mlenje wina dzina lake Stoffel Coetzee pomwe amasaka kudera lakutali. Panthawiyo, derali linali labwinja la ku South Africa lotchedwa Eastern Transvaal, lomwe linali lodzaza ndi nyama monga antelope ndi mikango.

Ikadali m'malo omwewo pomwe idapezeka, ndipo mwayi woti ndi chinyengo chozunzidwa ndi wochepa kwambiri chifukwa cha malo ake akutali. Ngakhale panopo, ndizosowa kukumana.

Chinsinsi chowona ndi momwe chodabwitsachi chidachitikira ― ayi, tili ndi lingaliro lililonse ― koma zili pano ndipo sitingafune. Inde, ndi granite; ndi gawo lodziwika bwino la geological la South Africa, ndipo likuwonetsedwa pazithunzi zonse za geological; nchifukwa chake mapazi ali chinsinsi.

Mpuluzi Batholith: Munthu wazaka 200 miliyoni wapezeka ku South Africa 2
Mwachidule chithunzi cha Robert Schoch atayima pafupi ndi chithunzi chachilendo cha granite chomwe chamasuliridwa motsutsa ngati chopondapo chachikulu. Robert Milton Schoch ndi pulofesa wothandizira wa ku America wa Natural Sciences ku College of General Studies, Boston University. Schoch adalemba nawo ndikukulitsa Kukokoloka kwa madzi a Sphinx hypothesis kuyambira 1990. © Image Mawu: R. Schoch ndi C. Ulissey.

Itha kufotokozedwa ngati a "phenocrystic" granite OR coarse porphyritic granite yomwe idadutsa magawo angapo ozizira. Mapeto ake ndi kuphatikiza kochititsa chidwi kwa timbewu tating'ono ting'onoting'ono. Ichi ndichifukwa chake amalonda a granite akufuna kukumba malowa chifukwa miyala ya granite idzawoneka bwino “Wokongola” pamene opukutidwa.

Lero leri tshameke loko ku ri Mpuluzi Batholith (Granite) eka Afrika Dzonga ya Afrika Dzonga, naswona nhlayo leyi vuriweke yi vulaka matiko ya malembe ya 3.1 biliyoni. Ichi ndi mwambi wowona womwe umafunikira kufufuza kolondola kwasayansi.