Yaho(wurin kayan tarihi)

Yaho ko kuma Yayo ya kasance wani wurine na binciken kayan tarihi ne mai nisan adadin kilomita 160 arewa maso yamma da Koro Toro, Chadi. A cikin shekara ta alif 1961, Yves Coppens ya tono wani ɓangaren fuskar hominin kuma ya kafa taxon Tchadanthropus uxoris. An kuma gano Loxodonta atlantica daga wurin.

Tarihi

An ba da shawarar cewa tsakiyar Angamma delta ya haifar da yanayin Holocene wanda ya kai shekaru 1000 a cikin mafi ƙaranci kuma har zuwa shekaru 7300 a makura. Sauran sassan samuwar sun kai shekaru 10,000.

Ilimin kasa

Ana samun yankin Angamma Delta a cikin yankin arewacin paleolake Megachad. Yankin delta yana da kyau sosai, yana tsaye har zuwa tsayin adadin mita 330m, saboda ana iya lura da shi yana gangarowa cikin dutsen laka da kwano mai cike da diatomite wanda ya faɗi 240m. An ciyar da yankin delta ne ta hanyar ƙwanƙwasa ƙwanƙwasa da ke jagorantar tsaunin Tibesti daga arewa. Ba sa yanke rafin, wanda ke nuna cewa kogunan da aka yi wa tudu sun bushe kafin tafkin ya yi. Ruwan ruwa daga tafkin ya rutsa da ruwan tekun Delta, kuma gaba dayan ya lalace, ya bayyanar da wasu lamurra a ciki.