Magmatic-hydrothermal evolution of rare metal pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa)

C Ballouard, MA Elburg, S Tappe, C Reinke… - Ore Geology …, 2020 - Elsevier
Abstract The 450 km long Orange River pegmatite belt intruded the Namaqua Sector of the
Mesoproterozoic Namaqua-Natal Province, Southern Africa, at ca. 1 Ga. The western part of …

Iron formation: the sedimentary product of a complex interplay among mantle, tectonic, oceanic, and biospheric processes

A Bekker, JF Slack, N Planavsky… - Economic …, 2010 - pubs.geoscienceworld.org
Iron formations are economically important sedimentary rocks that are most common in
Precambrian sedimentary successions. Although many aspects of their origin remain …

[HTML][HTML] A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia

Å Johansson, B Bingen, H Huhma, T Waight… - Precambrian …, 2022 - Elsevier
A total of 4344 magmatic U-Pb ages in the range 2300 to 800 Ma have been compiled from
the Great Proterozoic Accretionary Orogen along the margin of the Columbia/Nuna …

A classification of Broken Hill-type deposits: a critical review

PG Spry, GS Teale - Ore Geology Reviews, 2021 - Elsevier
Abstract Broken Hill Hill-type Pb-Zn-Ag (BHT) deposits constitute some of the largest and
highest grade ore deposits in the world. The Broken Hill deposit, Australia, is the largest …

Implications of the distribution, age and origins of the granites of the Mesoproterozoic Spektakel Suite for the timing of the Namaqua Orogeny in the Bushmanland …

PH Macey, RH Bailie, JA Miller, RJ Thomas… - Precambrian …, 2018 - Elsevier
Abstract The Spektakel Suite comprises voluminous late-to post-tectonic granitoids that
intruded the pre-tectonic gneisses of the Bushmanland Subprovince (BSP) of the …

[HTML][HTML] Tonian basins record rifting of Kalahari from Rodinia and no evidence of a pre-Sturtian Kaigas glaciation

JP Pu, FA Macdonald, EF Smith, J Ramezani… - Earth and Planetary …, 2023 - Elsevier
Neoproterozoic strata record evidence for two Snowball Earth glaciations during which ice
extended to the equator. Geochronological data have confirmed the multi-million year …

The long-term high-temperature history of the central Namaqua Metamorphic Complex: Evidence for a Mesoproterozoic continental back-arc in southern Africa

J Bial, SH Büttner, V Schenk, P Appel - Precambrian Research, 2015 - Elsevier
Reaction textures, equilibrium assemblage modelling and in situ U–Th–total Pb monazite
and zircon U–Pb LA-ICP-MS dating of metapelitic rocks provide new insights to the tectono …

[HTML][HTML] A continental back-arc setting for the Namaqua belt: Evidence from the Kakamas Domain

PH Macey, RJ Thomas, AFM Kisters, JFA Diener… - Geoscience …, 2022 - Elsevier
A study of the NW Kakamas Domain in South Africa/Namibia provides a new, unified
lithostratigraphy and evolutionary history applicable to the whole Namaqua Sector. The …

Formation and emplacement of two contrasting late-Mesoproterozoic magma types in the central Namaqua Metamorphic Complex (South Africa, Namibia): evidence …

J Bial, SH Büttner, D Frei - Lithos, 2015 - Elsevier
Abstract The Namaqua Metamorphic Complex is a Mesoproterozoic low-pressure, granulite
facies belt along the southern and western margin of the Kaapvaal Craton. The NMC has …

Implications of new hyperspectral satellites for raw materials exploration

MC Schodlok, M Frei, K Segl - Mineral Economics, 2022 - Springer
Hyperspectral remote sensing already is important in geoscientific research in the fields of
geology, soil, exploration and mining. New hyperspectral satellite systems are already in …