Search Results - "Hart, J.R."

Paleogene post-collisional lamprophyres in western Yunnan, western Yangtze Craton: Mantle source and tectonic implications by Lu, Yong-Jun, Campbell McCuaig, T., Li, Zheng-Xiang, Jourdan, Fred, Hart, Craig J.R., Hou, Zeng-Qian, Tang, Suo-Han

“…A suite of lamprophyres, spatially associated with mafic lavas and potassic felsic intrusive rocks, was emplaced between 36.5±0.2 and 33.7±0.5Ma (based on…”
Get full text

Evaluation of bulk and particle sensor-based sorting systems for the New Afton block caving operation by Nadolski, Stefan, Samuels, Mike, Klein, Bern, Hart, Craig J.R.

“…Block and panel caving mines are increasingly being proposed for the excavation of massive ore-bodies located at depth. The lack of selectivity associated with…”
Get full text

Prevalence of Vector‐Borne Pathogens in Southern California Dogs With Clinical and Laboratory Abnormalities Consistent With Immune‐Mediated Disease by Kidd, L., Qurollo, B., Lappin, M., Richter, K., Hart, J.R., Hill, S., Osmond, C., Breitschwerdt, E.B.

“…Background Studies investigating the prevalence of vector‐borne pathogens in southern California dogs are limited. Occult infections might be misdiagnosed as…”
Get full text

Structural and mechanical controls on intrusion-related deposits of the Tombstone Gold Belt, Yukon, Canada, with comparisons to other vein-hosted ore-deposit types by Stephens, Julian R, Mair, John L, Oliver, Nicholas H.S, Hart, Craig J.R, Baker, Timothy

“…Intrusion-related gold deposits at the Clear Creek, Scheelite Dome and Dublin Gulch properties of the Tombstone Gold Belt (TGB), Yukon Territory have…”
Get full text

Hydrothermal alteration revealed by apatite luminescence and chemistry; a potential indicator mineral for exploring covered porphyry copper deposits by Bouzari, Farhad, Hart, Craig J. R, Bissig, Thomas, Barker, Shaun

“…Apatite is a common resistate mineral occurring in a range of host rocks and ore-related hydrothermal alteration assemblages. Apatite in several porphyry…”
Get full text

Temporal, spatial and geochemical evolution of late Cenozoic post-subduction magmatism in central and eastern Anatolia, Turkey by Rabayrol, Fabien, Hart, Craig J.R., Thorkelson, Derek J.

“…Indentation of the Arabian platform into the eastern domain of the Anatolide-Tauride Block (ATB) led to sub-horizontal rupture and break-off of the Arabian…”
Get full text

Mineralogical and geochemical study of the true blue aquamarine showing, southern Yukon by Turner, David, Groat, Lee A, Hart, Craig J. R, Mortensen, James K, Linnen, Robert L, Giuliani, Gaston, Wengzynowski, William

“…Dark blue aquamarine occurs in quartz veins filling tension gashes, cutting a syenite of Mississippian age in the Pelly Mts, southern Yukon Territory, Canada…”
Get full text

Using zircon trace element composition to assess porphyry copper potential of the Guichon Creek batholith and Highland Valley Copper deposit, south-central British Columbia by Lee, Robert G., Byrne, Kevin, D’Angelo, Michael, Hart, Craig J.R., Hollings, Pete, Gleeson, Sarah A., Alfaro, Miguel

“…The Late Triassic Guichon Creek batholith is a large (~ 1800 km 2 ), composite, zoned batholith that hosts several large porphyry Cu-Mo deposits of the…”
Get full text

Tectonic triggers for postsubduction magmatic-hydrothermal gold metallogeny in the late Cenozoic Anatolian metallogenic trend, Turkey by Rabayrol, Fabien, Hart, Craig J. R, Creaser, Robert A

“…The newly defined, 1,500-km-long, late Cenozoic Anatolian metallogenic trend of Turkey is the central segment of the western Tethyan metallogenic belt and…”
Get full text

Petrogenetic and tectonic controls on magma fertility and the formation of post-subduction porphyry and epithermal mineralization along the late Cenozoic Anatolian Metallogenic Trend, Turkey by Rabayrol, Fabien, Hart, Craig J. R.

“…The late Cenozoic Anatolian Metallogenic Trend in Turkey is a manifestation of westerly Aegean subduction and easterly Arabian continental collision along the…”
Get full text

Zircon SHRIMP U–Pb geochronology of potassic felsic intrusions in western Yunnan, SW China: Constraints on the relationship of magmatism to the Jinsha suture by Lu, Yong-jun, Kerrich, Robert, Cawood, Peter A., McCuaig, T. Campbell, Hart, Craig J.R., Li, Zheng-xiang, Hou, Zeng-qian, Bagas, Leon

“…The relationship between potassic felsic intrusions, cospatial and cotemporal with potassic mafic magmatism, and strike–slip displacement along the Ailao…”
Get full text

Recognizing porphyry copper potential from till zircon composition; a case study from the highland valley porphyry district, south-central British Columbia by Lee, Robert G, Plouffe, Alain, Ferbey, Travis, Hart, Craig J. R, Hollings, Pete, Gleeson, Sarah A

“…The detrital zircons in tills overlying the Guichon Creek batholith, British Columbia, Canada, have trace element concentrations and ages similar to those of…”
Get full text

Geochemical, Sr-Nd-Pb, and Zircon Hf-O Isotopic Compositions of Eocene-Oligocene Shoshonitic and Potassic Adakite-like Felsic Intrusions in Western Yunnan, SW China: Petrogenesis and Tectonic Implications by Lu, Y.-J., Kerrich, R., Mccuaig, T. C., Li, Z.-X., Hart, C. J. R., Cawood, P. A., Hou, Z.-Q., Bagas, L., Cliff, J., Belousova, E. A., Tang, S.-H.

Get full text

Interpreting regional 3D fault networks from integrated geological and geophysical data sets: An example from the Guichon Creek batholith, British Columbia by Lesage, Guillaume, Byrne, Kevin, Morris, William A., Enkin, Randolph J., Lee, Robert G., Mir, Reza, Hart, Craig J.R.

“…The effects of fault processes on rocks commonly include a lowered magnetic susceptibility and an increased predisposition to erosion. We present a workflow…”
Get full text

High Sr/Y magma petrogenesis and the link to porphyry mineralization as revealed by garnet-bearing I-type granodiorite porphyries of the middle Cauca Au-Cu belt, Colombia by Bissig, Thomas, Leal-Mejía, Hildebrando, Stevens, Roger B, Hart, Craig J. R

“…Porphyry-style Cu (Au, Mo) mineralization is widely associated with igneous suites with Sr/Y > 40 and low heavy rare earth element (HREE) content. This…”
Get full text

District-scale VMS to porphyry-epithermal transitions in subduction to postcollisional tectonic environments; the Artvin Au-Cu district and the Hod gold corridor, eastern Pontides Belt, Turkey by Rabayrol, Fabien, Wainwright, Alan J, Lee, Robert G, Hart, Craig J. R, Creaser, Robert A, Camacho, Alfredo

“…Porphyry, epithermal, and volcanogenic massive sulfide (VMS) deposits can form together in the same mineral district in convergent margin environments. Their…”
Get full text

Carmacks copper Cu-Au-Ag deposit; mineralization and postore migmatization of a Stikine Arc porphyry copper system in Yukon, Canada by Kovacs, Nikolett, Allan, Murray M, Crowley, James L, Colpron, Maurice, Hart, Craig J. R, Zagorevski, Alex, Creaser, Robert A

“…Late Triassic to Early Jurassic porphyry Cu mineralization is common in British Columbia, yet there are few age-equivalent porphyry occurrences in Yukon. This…”
Get full text

Intracontinental Eocene-Oligocene porphyry Cu mineral systems of Yunnan, western Yangtze Craton, China; compositional characteristics, sources, and implications for continental collision metallogeny by Lu, Yong-Jun, Kerrich, Robert, Kemp, Anthony I. S, McCuaig, T. Campbell, Hou Zengqian, Hou Zengqian, Hart, Craig J. R, Li, Zheng-Xiang, Cawood, Peter A, Bagas, Leon, Yang Zhiming, Yang Zhiming, Cliff, John, Belousova, Elena A, Jourdan, Fred, Evans, Noreen J

“…The Yao'an porphyry Au system, Machangqing porphyry Cu-Mo system, and Beiya porphyry-skarn Au system, are spatially and temporally associated with potassic…”
Get full text

Petrochemistry of igneous rocks of the California-Vetas mining district, Santander, Colombia: Implications for northern Andean tectonics and porphyry Cu (–Mo, Au) metallogeny by Bissig, Thomas, Mantilla Figueroa, Luis Carlos, Hart, Craig J.R.

“…Porphyry Mo and Cu mineralization in the California-Vetas mining district is contemporaneous with 10.9 to 8.4Ma granodiorite porphyry stocks and overprinted by…”
Get full text

Structural and geochronological studies on the Liba goldfield of the West Qinling Orogen, Central China by Zeng, Qingtao, McCuaig, T. Campbell, Hart, Craig J. R., Jourdan, Fred, Muhling, Janet, Bagas, Leon

“…The Liba goldfield, located to the northeast of the Zhongchuan Granite in the West Qinling Orogen (WQO) of mainland China, contains the largest known gold…”
Get full text