Search Results - "Craw, D."

Bacterial influence on storage and mobilisation of metals in iron-rich mine tailings from the Salobo mine, Brazil by Henne, A., Craw, D., Gagen, E.J., Southam, G.

“…In this study we investigated the potential effects of promoting bacterial activity on tailings from the Salobo iron-oxide copper‑gold (IOCG) mine, Brazil. In…”
Get full text

Geochemistry of late metamorphic hydrothermal alteration and graphitisation of host rock, Macraes gold mine, Otago Schist, New Zealand by Craw, D

“…The Macraes gold deposit in the Otago Schist, New Zealand, formed during late metamorphic fluid flow through a lower greenschist facies shear zone…”
Get full text

Supergene gold mobility in orogenic gold deposits, Otago Schist, New Zealand by Craw, D, MacKenzie, D, Grieve, P

“…Gold has been chemically mobilised by groundwater from host sulphide minerals in orogenic gold deposits of Otago. Mobilisation occurred near the Cenozoic Otago…”
Get full text

RIVER CAPTURE, RANGE EXPANSION, AND CLADOGENESIS: THE GENETIC SIGNATURE OF FRESHWATER VICARIANCE by Burridge, C. P, Craw, D, Waters, J. M

“…River capture is potentially a key geomorphological driver of range expansion and cladogenesis in freshwater-limited taxa. While previous studies of freshwater…”
Get full text

Antimony Mobilisation and Attenuation During Ore Processing at Orogenic Gold Mines, Southern New Zealand by Weightman, E., Craw, D., Snow, T., Kerr, G.

“…Mine waters at the Reefton orogenic gold mine (active from 2007 to 2016) in southern New Zealand contained dissolved arsenic (As) and antimony (Sb) up to…”
Get full text

Geological controls on palaeo-environmental change in a tectonic rain shadow, southern New Zealand by Craw, D., Druzbicka, J., Rufaut, C., Waters, J.

“…This study is a multidisciplinary synthesis that quantifies the geological processes that control surface palaeo-environmental change, and the associated…”
Get full text

Antimony distribution and environmental mobility at an historic antimony smelter site, New Zealand by WILSON, N. J, CRAW, D, HUNTER, K

“…A historic antimony smelter site at Endeavour Inlet, New Zealand has smelter residues with up to 17 wt.% antimony. Residues include coarse tailings (cm scale…”
Get full text

Sources of metals and fluids in orogenic gold deposits; insights from the Otago and Alpine Schists, New Zealand by Pitcairn, Iain K, Teagle, Damon A. H, Craw, Dave, Olivo, Gema R, Kerrich, Robert, Brewer, Tim S

“…The Otago and Alpine schists of the S Island of New Zealand form a young (<200 Ma), lithologically monotonous, metasedimentary belt with exposures ranging from…”
Get full text

Pleistocene paleodrainage and placer gold redistribution, western Southland, New Zealand by Craw, D, Kerr, G, Reith, F, Falconer, D

“…Gold-bearing beaches at the western end of Foveaux Strait are being fed by the Waiau River, which is dominated by greywacke detritus. At times during the…”
Get full text

Evaporative Mine Water Controls on Natural Revegetation of Placer Gold Mines, Southern New Zealand by Druzbicka, J., Rufaut, C., Craw, D.

“…Surface and ground water runoff is controlled by impermeable substrates exposed by mining at two abandoned historic placer gold mines. The arid climate at…”
Get full text

Geology, evaporative salt accumulation and geoecology at Springvale historic gold mine, Central Otago, New Zealand by Law, S, Rufaut, C, Lilly, K, Craw, D

“…The Springvale placer gold mine was developed in distal Pleistocene fan deposits that are dominated by auriferous gravel. The gravel was originally deposited…”
Get full text

Climatic and compositional controls on secondary arsenic mineral formation in high-arsenic mine wastes, South Island, New Zealand by Haffert, L, Craw, D, Pope, J

“…Recent and historic gold mines and mine wastes in the South Island of New Zealand have been exposed under a wide range of climatic conditions for up to 100 yr…”
Get full text

Mineralogy and provenance of auriferous Waimumu Quartz Gravels, Southland, New Zealand by Craw, D, Kerr, G, Falconer, D

“…Waimumu Quartz Gravels, 8 km southwest of Gore, New Zealand, were deposited in Pliocene river channels, and were derived by recycling of older sediments on…”
Get full text

Environmental arsenopyrite stability and dissolution: theory, experiment, and field observations by Craw, D., Falconer, D., Youngson, J.H.

“…Arsenopyrite has traditionally been considered to be chemically unstable in the surficial environment. However, field evidence demonstrates that arsenopyrite…”
Get full text

Migration of hydrothermal systems in an evolving collisional orogen, New Zealand by Craw, D., Upton, P., Horton, T., Williams, J.

“…The Pacific–Australian tectonic plate boundary through the South Island of New Zealand consists of the transpressional Southern Alps mountain belt and the…”
Get full text

Metalloid Attenuation from Runoff Waters at an Historic Orogenic Gold Mine, New Zealand by Druzbicka, J., Craw, D.

“…The metalloids arsenic and antimony are mobilised through the decomposition of arsenopyrite, pyrite, and stibnite at the historic Big River Mine. Their content…”
Get full text

Compositional variations and morphological evolution in platinum beach placers, southern New Zealand by Craw, D., Mitchell, M., McCann, R., Reay, A.

“…Morphologies of placer platinum group minerals (PGM) are more variable and resistant to modification during transport than placer gold grains. This study…”
Get full text

Water–rock interaction and acid neutralization in a large schist debris dam, Otago, New Zealand by Craw, D

“…Routine water chemistry monitoring of a large mine tailings impoundment dam at the Macraes mine provided a site for a 5-year study of progressive water–rock…”
Get full text

Late Quaternary river drainage and fish evolution, Southland, New Zealand by Craw, D., Burridge, C., Anderson, L., Waters, J.M.

“…Late Quaternary to Holocene landscape evolution in southern New Zealand was dominated by glacial outwash processes. Evolution of the drainage network on a…”
Get full text

Geochemical processes influencing arsenic mobility at Bullendale historic gold mine, Otago, New Zealand by Haffert, L, Craw, D

“…The historic Bullendale gold mine processed arsenopyrite-rich ore from mesothermal deposits in the South Island of New Zealand from 1864 to 1907. No site…”
Get full text