Results 91 to 100 of about 1,350 (208)

Late Permian–Early Triassic Kamensky dyke belt, NW margin of Siberian platform: Two stages of the Siberian superplume event

Geosystems and Geoenvironment
A large (900 km long by 50-60 km wide) Early Triassic dyke swarm intruded along the northern margin of the Siberian platform in the Yenisei-Khatanga trough, crossing the Noril’sk, Kamensky and Maimecha-Kotui provinces.
V.V. Ryabov, I.V. Ashchepkov, A.V. Travin, V.A. Ponomarchuk, N.S. Karmanov, N.M.W. Roberts   +5 more
doaj   +1 more source

Lithosphere architecture characterized by crust-mantle decoupling controls the formation of orogenic gold deposits. [PDF]

Natl Sci Rev, 2023
Hou Z, Wang Q, Zhang H, Xu B, Yu N, Wang R, Groves DI, Zheng Y, Han S, Gao L, Yang L.   +10 more
europepmc   +1 more source

A link between the destruction of the mantle root beneath the North China Craton and the Cretaceous Greenhouse. [PDF]

Natl Sci Rev, 2022
Pearson DG.
europepmc   +1 more source

Trace element analysis of the main minerals in the Salitre lamprophyre (APIP, Brazil)

The Upper Cretaceous Salitre intrusion, subdivided into Salitre I and Salitre II and dated to ~86-82 Ma by Sonoki and Garda (1988), is part of the Alto Paranaíba Igneous Province (APIP, Fig.
Melluso, Leone, Guarino, Vincenza, Zanetti, Alberto, Bonazzi, Mattia   +3 more
core   +1 more source

Geochemistry of the New England Lamprophyre series : cross-comparison of analytical methods.

, 2008
Color poster with text and graphs describing research conducted by Jacob Boer, advised by Phillip D. Ihinger and Jill W. Ferguson.The New England Lamprophyre Suite comprises a series of magmatic intrusions that connects the age progressive Canadian ...
Boer, Jacob
core  

Occurrence and petrogenesis of diamondiferous lamprophyres: Insights into mantle metasomatism and diamond formation

Major oxides, trace elements and isotopic composition of ultramafic, calc-alkaline and alkaline ...
Nestola, Fabrizio, Pearson, D. Graham, Innocenzi, Francesca, Day, Maxwell C., Kublik, Kristina, La Fortezza, Mattia, Pamato, Martha G., Novella, Davide   +7 more
core   +1 more source

Petrology of the ultramafic lamprophyre and associated rocks at Coral Rapids, Abitibi River, Ontario

, 1994
An ultramafic lamprophyre sill and dikes, and an olivine–melilite-rich dike rock intrude Lower to Middle Devonian sediments and low- to high-grade Archean metamorphic rocks on the west bank of the Abitibi River, Coral Rapids, Ontario.
A. D. Edgar, L. A. Pizzolato, G. M. Butler   +2 more
core   +1 more source

Back analysis and stability prediction of surrounding rock during excavation of the Shuangjiangkou underground powerhouse

Journal of Civil Engineering and Management
The underground powerhouse of the Shuangjiangkou hydropower station is one of the largest caverns under construction in China, and its stability during construction is crucial for safe construction.
You Li, Ming-Li Xiao, Gan Feng, Ming-Guang Cai, Jia-Ming Wu, Jian-Liang Pei, Jiang-Da He   +6 more
doaj   +1 more source

Rare Earth Group Separation after Extraction Using Sodium Diethyldithiocarbamate/Polyvinyl Chloride from Lamprophyre Dykes Leachate. [PDF]

Materials (Basel), 2022
Allam EM, Lashen TA, Abou El-Enein SA, Hassanin MA, Sakr AK, Cheira MF, Almuqrin A, Hanfi MY, Sayyed MI.   +8 more
europepmc   +1 more source

Volcanic Initiation of the Eocene Heart Mountain Slide, Wyoming, USA [PDF]

, 2017
The Eocene Heart Mountain slide of northwest Wyoming covers an area of as much as 5000 km2 and includes allochthonous Paleozoic carbonate and Eocene volcanic rocks with a run-out distance of as much as 85 km. Recent geochronologic data indicated that the
Schmitz, Mark D.
core