Igneous Rocks

The ∼2.23 Ga Hekpoort Formation (Transvaal sub-basin) and the ∼2.43 Ga Ongeluk Formation (Griqualand West sub-basin) represent voluminous Paleoproterozoic igneous events on the Kaapvaal craton of South Africa that predate the emplacement of the ∼2.055 Ga Bushveld Complex, and probably covered most of the craton at the time of their extrusion. * The Transvaal Basin in South Africa… Continue reading Igneous Rocks

Tremor – KZN-Durban-South Coast-Lesotho – 31 October 2019

  Durban, South Coast and Lesotho residents report having experienced a tremor which some say lasted for 15 seconds at about 1.20pm this afternoon.    Reports on social media are flooding in with calls also being made to the Courier questioning exactly what the ‘shake’ was.    According to information being circulated online, the tremor was felt as far… Continue reading Tremor – KZN-Durban-South Coast-Lesotho – 31 October 2019