Results 151 to 160 of about 6,694 (263)

Metamorphic studies in the Vredefort Dome, South Africa [PDF]

, 2010
Metasedimentary granulites in the core of the Vredefort Dome present textural and chemical evidence for three discrete metamorphic events. These include a peak Archaean anatectic event (M1), shock metamorphism (M2) with impact at 2.02 Ga and post ...
Ogilvie, Paula
core  

Oxidation state and metasomatism of the lithospheric mantle beneath the Rae Craton, Canada: strong gradients reflect craton formation and evolution. [PDF]

Sci Rep, 2021
Woodland AB, Gräf C, Sandner T, Höfer HE, Seitz HM, Pearson DG, Kjarsgaard BA.   +6 more
europepmc   +1 more source

Polychromatic polarization: Boosting the capabilities of the good old petrographic microscope. [PDF]

Geology, 2022
Cesare B, Campomenosi N, Shribak M.
europepmc   +1 more source

Clinopyroxene application in petrogenesis identification of volcanic rocks associated with salt domes from Shurab (Southeast Qom)

Journal of Economic Geology, 2016
Introduction The study area is located in the Shurab area that is about 50 Km Southeast of Qom. Volcanic rocks of the Shurab area have basaltic composition that is associated with salt and marl units.
Somayeh Falahaty, Moussa Noghreyan, Mortaza Sharifi, Ghodrat Torabi, Homayon Safaei, Mohammad Ali Mackizadeh   +5 more
doaj  

Rapid shifting of a deep magmatic source at Fagradalsfjall volcano, Iceland. [PDF]

Nature, 2022
Halldórsson SA, Marshall EW, Caracciolo A, Matthews S, Bali E, Rasmussen MB, Ranta E, Robin JG, Guðfinnsson GH, Sigmarsson O, Maclennan J, Jackson MG, Whitehouse MJ, Jeon H, van der Meer QHA, Mibei GK, Kalliokoski MH, Repczynska MM, Rúnarsdóttir RH, Sigurðsson G, Pfeffer MA, Scott SW, Kjartansdóttir R, Kleine BI, Oppenheimer C, Aiuppa A, Ilyinskaya E, Bitetto M, Giudice G, Stefánsson A.   +29 more
europepmc   +1 more source

Out-of-sequence skeletal growth causing oscillatory zoning in arc olivines. [PDF]

Nat Commun, 2021
Salas P, Ruprecht P, Hernández L, Rabbia O.   +3 more
europepmc   +1 more source

Differentiating induced versus spontaneous subduction initiation using thermomechanical models and metamorphic soles. [PDF]

Nat Commun, 2021
Zhou X, Wada I.
europepmc   +1 more source

The crystal cargo provides a chronicle of pre-caldera dynamics in mafic volcanic systems: insights from Colli Albani. [PDF]

Bull Volcanol
Ágreda-López M, Musu A, Jorgenson C, Šala M, Giordano G, Caricchi L, Stremtan C, Petrelli M.   +7 more
europepmc   +1 more source

Basalt derived from highly refractory mantle sources during early Izu-Bonin-Mariana arc development. [PDF]

Nat Commun, 2021
Li H, Arculus RJ, Ishizuka O, Hickey-Vargas R, Yogodzinski GM, McCarthy A, Kusano Y, Brandl PA, Savov IP, Tepley FJ, Sun W.   +10 more
europepmc   +1 more source

Annual-to-millennial fluctuations in the physical properties of crystal-rich magma storage zones. [PDF]

Commun Earth Environ
Higgins O, Stock MJ, Geist D, Neave DA, Buisman I, Bernard B, Gleeson M.   +6 more
europepmc   +1 more source