Essays about: "traveltime tomography"

Found 2 essays containing the words traveltime tomography.

1. 1. First-arrival traveltime tomography of active-source data in the Kansanshi copper mine, northern Zambia

   University essay from Uppsala universitet/Geofysik

   Author : Vessela Hobson; [2019]
   Keywords : refraction seismics; tomographic inversion; Zambian Copperbelt; copper;

   Abstract : Sedimentary rock-hosted deposits are a major source of copper and cobalt, with the Neoproterozoic central African Copperbelt being among the largest Cu-Co provinces in the world, accounting for around 15% of its copper resource. The deposits occur primarily in the carbonates and siliciclastic sediments overlying the basement, and formed during early diagenesis (around 820 Ma) and late diagenesis/metamorphism during the Pan-African Orogeny (580-520 Ma). READ MORE

3. 2. An Innovative In-Tunnel Seismic Study for Sustainably Extracting Apatite Ore at the Siilinjärvi Mine, Eastern Finland

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Anna Donczew; [2019]
   Keywords : in-tunnel seismic; reflection seismic; traveltime tomography; carbonatites; shear zones; Siilinjärvi; tunnelseismik; reflektionsseismik; restidstomografi; karbonatiter; skjuvzoner; Siilinjärvi;

   Abstract : Siilinjärvi located in eastern Finland is presently the only phosphate mine with significant phosphorus production in western Europe. Phosphate rock and phosphorus are known as a critical raw material for the European Union due to their economic importance and being prone to the supply risks. READ MORE