Ras Mkumbuu Ruins

Ras Mkumbuu Ruins ( Magofu ya mji wa kale wa Ras Mkumbuu a cikin Swahili ) suna cikin gundumar Chake Chake a yankin Kudancin, Pemba. Suna kwance kusa da ƙauyen Ndagoni a ƙarshen wani dogon ƴan ƴan ɗimbin ɗimbin tsibiri da ake kira Ras,Mkumbuu, wanda ke arewa maso yammacin garin Chake-Chake . Spear, Thomas.  Spear, Thomas.  Rushewar ta samo asali ne tun daga karni na 9 AZ kuma an yi watsi da ita a karni na 16, kodayake akwai alamun cewa an gina su bisa tsofaffin tushe. Wani abin lura a cikin wadannan rugujewar akwai na wani babban masallaci wanda ya kasance mafi girman tsarin irinsa na wani lokaci a yankin kudu da hamadar sahara. James Kirkman, masanin ilimin kimiya na kayan tarihi na farko da ya tono a nan cikin shekarun 1950, ya ba da shawarar danganta bincikensa da "Qanbalu" da Balarabe mai binciken Al-Masudi ya ambata a wajen 900 amma ya kasa tantance ragowar tun kafin karni na 13. Reid, Lane: African Historical Archaeologies (2014), p. 135f Yiwuwar gano tsibirin Pemba gabaɗaya musamman Ras Mkumbuu tare da Qanbalu har yanzu ana tattaunawa. Oliver, Oliver & Fagan: Africa in the Iron Age: C.500 BC-1400 AD (1975), p 193f mention the identity as established, other authors not so

 Duba kuma 

 Mazaunan Swahili na Tarihi

 Nassoshi 

 Finke, J. (2006) Jagoran Jagora zuwa Zanzibar (bugu na biyu). New York: Jagorori masu banƙyama.