Results 61 to 70 of about 5,193 (216)

A NEW DEPOSIT OF PEROVSKITE IN THE SOUTHERN URALS [PDF]

open access: yesМинералогия, 2017
Perovskite from new deposit in the Verkhniy Ufaley region occurs in assemblage with andradite, magnetite, chlorite and hydroxyapatite. The habitus forms of perovskite are hexahedron and rhombic dodecahedron.
V.A. Popov, S.K. Nosov, A.M. Кuznetsov
doaj  

Geoarchaeological Perspectives on Stelae Production Throughout the Bronze Age: Provenance, Material Properties and Rock Selection at Zebros (Idanha‐a‐Nova, Portugal)

open access: yesGeoarchaeology, Volume 40, Issue 6, November/December 2025.
ABSTRACT At Monte dos Zebros (Idanha‐a‐Nova, Central Portugal), the discovery of three stelae—two Iberian Late Bronze Age stelae and one fragment of an Early/Middle Bronze Age anthropomorphic stela—represents a rare case of rock art monuments from different chronologies coexisting in the same place within a broader archaeological landscape, which ...
Rafael Ferreiro Mählmann   +4 more
wiley   +1 more source

Petrology and Geochemistry of the Qozlou Granitoid and Related Fe skarn (west Zanjan)

open access: yesJournal of Economic Geology, 2020
Introduction Fe skarn deposits are one of the important Fe deposits in the Zanjan province which have been exploited in recent years. The Qozlou Fe deposit is one of these Fe skarn deposits which is located at 65 km west of Zanjan.
Neda Shafaiepour   +3 more
doaj   +1 more source

Gold–copper–bismuth mineralization in hedenbergitic skarn, Tombstone Mountains, Yukon

open access: yes, 1987
Gold mineralization on the Marn property, Yukon, occurs in two pyroxene skarn bodies, which are adjacent to the Mount Brenner Stock in the Ogilvie Mountains. The skarns are separated by a 600 m wide monzonite intrusion and show contrasting mineralogical
Bruce E. Nesbitt, Isobel J. Brown
core   +1 more source

On the timing, fluid sources, and behavior of skarn formation : lessons from oxygen isotopes in skarn garnets of the North American Mesozoic Cordilleran arc [PDF]

open access: yes, 2019
Skarns, the calc-silicate products of fluid-facilitated decarbonation reactions occurring at the interface of carbonate-bearing rocks and igneous bodies, are best studied for the base metals and ore minerals they often host (e.g., Meinert, 2005).
Gevedon, Michelle Lynn
core   +1 more source

The Fluid Evolution in the Skarn Stages of the Baoshan Skarn Cu-Polymetallic Deposit, South China

open access: yes
Baoshan is a world-class skarn Cu-polymetallic deposit located at the junction of the Nanling and Qin-Hang metallogenic belts in China. While there has been extensive research on the mineralogy and geochemistry of skarn deposits, studies on the fluid ...
Zhong-Fa Liu   +5 more
core   +1 more source

Reevaluating Fluid Sources During Skarn Formation: An Assessment of the Empire Mountain Skarn, Sierra Nevada, USA

open access: yes, 2018
Oxygen isotope analyses of skarn minerals have long been used to fingerprint the variable fluid sources involved in skarn formation. The Empire Mountain skarn of the Sierra Nevada (California, USA) batholith is identified as a low‐δ18O skarn and is ...
Jacob S. Jordan   +4 more
core   +1 more source

A Comparative Study of the Mineralogy and Petrology of the Mazraeh Cu-Fe Skarn Deposit, Iran and the Cu-Fe Skarn Deposit in the Edong Ore District, China [PDF]

open access: yes, 2018
Cu and Fe skarn deposits are some of the largest skarn deposits that are important for various important elements. There are exhaustive reviews of the Cu and Fe skarn deposits, but the characteristics of Cu-Fe skarn deposit are poorly explained.
Mohd, Ahmad Farhan
core   +1 more source

Mineralogy and electron microprobe studies of magnetite in the Sarab-3 iron Ore deposit, southwest of the Shahrak mining region (east Takab)

open access: yesJournal of Economic Geology, 2018
Introduction There is an iron mining complex called Shahrak 60 km east of the Takab town, NW Iran. The exploration in the Shahrak deposit (general name for all iron deposits of the area) started in 1992 by the Foolad Saba Noor Co.
Mohammad Maanijou, Leila Khodaei
doaj   +1 more source

Rasgos geológicos del skarn Loma Marcelo [PDF]

open access: yes, 2012
El skarn Loma Marcelo representa un evento geológico de características únicas en el ámbito del basamento proterozoico de las Sierras Australes de la provincia de Buenos Aires, Argentina.
Lanfranchini, Mabel Elena   +3 more
core   +1 more source

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