Pyramid na Ball

Pyramid Ball wani tsibiri ne da ba kowa a cikin Tekun Pasifik mai nisan  kudu maso gabashin Lord Howe Island, tsakanin Ostiraliya da New Zealand . Babban dutsen dutsen basalt shine ɓataccen toshe na dutsen mai aman wuta da caldera wanda ya samar da 6.4shekaru miliyan da suka wuce.   Yana da  tsayi, yayin auna  tsayi kuma  a fadin duniya, yana mai da shi mafi tsayin dutsen dutse a duniya. 

Ball's Pyramid, wanda yake wani ɓangare na Lord Howe Island Marine Park na Ostiraliya, yana cikin tsakiyar wani shelf na karkashin ruwa wanda ke kewaye da teku mai tsanani, wanda ke sa duk wani kusanci ya zama da wahala.

 Tarihi 

 Bincike 
An sanya sunan dala ne bayan Lieutenant na Royal Navy Henry Lidgbird Ball, wanda ya ba da rahoton gano shi a cikin shekara ta 1788. A wannan tafiya, Ball ya kuma gano tsibirin Lord Howe, yankin da ya fi kusa da Ball Pyramid.

A cikin Tafiyar Gwamna Phillip zuwa Botany Bay tare da Asusun Kafawar Koloni na Port Jackson da Tsibirin Norfolk (1789), Arthur Phillip ya ba da wannan bayanin yankin da ke kusa da Pyramid na Ball kafin ya bayyana Tsibirin Lord Howe:Akwai kusan kilomita huɗu daga yankin kudu maso yammacin dala, dutse mai haɗari, wanda ke nuna kansa dan kadan sama da saman ruwa, kuma ya bayyana ba ya fi girma fiye da jirgin ruwa. Lieutenant Ball ba shi da damar bincika ko akwai hanyar da ta dace tsakanin su ko a'a.

 Bincike da bincike 
A watan Mayu na shekara ta 1853, Henry Mangles Denham tare da  da  sun bincika yankin da ke kusa da tsibirin Lord Howe ciki har da Pyramid na Ball, suna samar da ginshiƙi na farko na pyramid.

Mutumin farko da aka rubuta da ya tafi bakin teku an yi imanin cewa Henry Wilkinson ne, masanin ilimin ƙasa a Ma'aikatar Ma'adinai ta New South Wales, a cikin 1882. 

A shekara ta 1964, wata kungiya daga Sydney ta yi ƙoƙari ta hau zuwa taron koli na dala. Koyaya, an tilasta masu hawan dutse su juya baya a rana ta biyar yayin da suka rasa abinci da ruwa. Wannan balaguron shine ra'ayin mai ba da labari na Australiya Dick Smith, wanda ya kasance memba na Rover Scouts a lokacin. Har ila yau, tafiyar ta haɗa da wasu mambobin ƙungiyar Scouting da sauran mutane. Smith ya tafi balaguron, amma bai yi ƙoƙari ya hau ba saboda aikin likita ba zato ba tsammani makonni biyu kafin balaguron.

 Tsire-tsire da dabbobi 

 Melaleuca howeana 
An gano wani shrub na Melaleuca howeana yana girma a kan Ball's Pyramid. Kudancin yana girma a cikin karamin rami inda ruwa ke shiga cikin tsagewa a cikin duwatsu masu zurfi. Wannan danshi ya goyi bayan tsiro mai tsayi wanda, a tsawon lokaci, ya haifar da tarin tarkace na tsire-tsire masu zurfi da yawa.

 Dryococelus australis 
Ball's Pyramid yana tallafawa yawan mutanen daji na karshe da aka sani na Kwari na tsibirin Lord Howe (Dryococelus australis). 

Bayan ganin karshe na kwari na Lord Howe Island a tsibirin Lord Howe a cikin 1920, an yi zaton jinsin sun ƙare. An gano shaidar ci gaba da rayuwa a kan Ball's Pyramid a lokacin hawan 1964 lokacin da aka sami wani samfurin da ya mutu kuma aka dauki hoton. A cikin shekaru masu zuwa, an gano wasu samfurori da yawa da suka mutu, amma yunkurin neman samfurori masu rai bai yi nasara ba.

 Manazarta 

Rukuni:Shafuka masu fassarorin da ba'a duba ba