Applied Earth Science, Vol. 130, No. 3, available online

Uncertainty measurement, mineral sands and the Lewisian Complex feature in this issue.

This new issue contains the following articles, which are available to members via My IOM3.

Editorial

Simon Jowitt

Pages: 131-132

DOI: 10.1080/25726838.2021.1959205

Niobium mineralization of sedimentary carbonates, Lewisian Complex, UK

John Parnell, Ryan Michie, Eleanor Heptinstall & John S. Still

Pages: 133-142

DOI: 10.1080/25726838.2021.1902729

A review of the geological settings, ages and economic potentials of carbonatites in the Democratic Republic of Congo

Georges M. Kasay, Anthony T. Bolarinwa, Olawale K. Aromolaran, Charles Nzolang & Vikandy S. Mambo

Pages: 143-160

DOI: 10.1080/25726838.2021.1911585

Raman-XPS spectroscopy, REE chemistry, and surface morphology of Fe-Ti oxide heavy mineral sands: a case study from Varkala-Kovalam coast, south-west India

R. G. Rejith, M. Sundararajan, A. Peer Mohamed & M. Satyanarayanan

Pages: 161-173

DOI: 10.1080/25726838.2021.1911584

Multivariate geostatistical simulation with PPMT: an application for uncertainty measurement

Paulo Henrique Faria, João Felipe Coimbra Leite Costa & Marcel Antônio Arcari Bassani

Pages: 174-184

DOI: 10.1080/25726838.2021.1892364

Kriging parameter optimisation: global versus local search strategies

C. R. A. F. Fonseca, J. F. C. L. Costa, R. Hundelshaussen & M. A. A. Bassani

Pages: 185-196

DOI: 10.1080/25726838.2021.1930964