Pumpellyite is a group of closely related sorosilicate minerals: pumpellyite-(Mg): Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) pumpellyite-(Fe2+):...

greywackes: prehnite + pumpellyite + chlorite + albite + quartz pumpellyite + chlorite + epidote + albite + quartz pumpellyite + epidote + stilpnomelane...

The prehnite-pumpellyite facies is a metamorphic facies typical of subseafloor alteration of the oceanic crust around mid-ocean ridge spreading centres...

undergoes low-grade metamorphism to metabasalt of the zeolite and prehnite-pumpellyite facies, but as the basalt subducts to greater depths, it is metamorphosed...

zeolite, prehnite-pumpellyite, blueschist, and eclogite facies stability zones of subducted oceanic crust. Zeolite and prehnite-pumpellyite facies assemblages...

moganite) Chiastolite (variety of andalusite) Chlorastrolite (variety of pumpellyite-(Mg)) Chrysoprase (green nickel bearing chalcedony) Chrysotile (group...

granites, syenites, or gneisses. It is an indicator mineral of the prehnite-pumpellyite metamorphic facies. It was first described in 1788 for an occurrence...

Poudretteite Powellite Prehnite Prismatine Prosopite Proustite Psilomelane Pumpellyite Chlorastrolite (var.) Purpurite Pyrite Pyrargyrite Pyromorphite Pyrophyllite...

Eclogite Blueschist Greenschist Prehnite- Pumpellyite Zeolite Granulite Amphibolite Hornfels Sanidinite P (kbar) T (°C) 0 100 200 300 400 500 600 700...

govern the development of aluminous mineral assemblages from the prehnite-pumpellyite facies to the granulite facies, as well as the blueschist facies and...

processes which turn sediments into sedimentary rocks, and prehnite-pumpellyite facies, which is a hallmark of subseafloor alteration of the oceanic...

chatoyancy can be subtranslucent to opaque. Cholorastrolite is a variety of pumpellyite: Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)•(OH) 2H 2O. Chlorastrolite was once...

Eclogite Blueschist Greenschist Prehnite- Pumpellyite Zeolite Granulite Amphibolite Hornfels Sanidinite P (kbar) T (°C) 0 100 200 300 400 500 600 700...

Julgoldite is a member of the pumpellyite mineral series, a series of minerals characterized by the chemical bonding of silica tetrahedra with alkali...

zeolite, prehnite-pumpellyite, blueschist, and eclogite facies stability zones of subducted oceanic crust. Zeolite and prehnite-pumpellyite facies assemblages...

Pumpellyite Quartz found in the Keweenaw Fault...

included are: BS = Blueschist facies, EC = Eclogite facies, PP = Prehnite-Pumpellyite facies, GS = Greenschist facies, EA = Epidote-Amphibolite facies, AM...

crystallinity associated with the zeolite facies of Southland and the pumpellyite-bearing facies of Otago, southern New Zealand". New Zealand Journal of...

greenschist. Lower temperatures are transitional with and overlap the prehnite-pumpellyite facies and higher temperatures overlap with and include sub-amphibolite...

Pressure Facies Low Low Zeolite Lower Moderate Lower Moderate Prehnite-Pumpellyite Moderate to High Low Hornfels Low to Moderate Moderate to High Blueschist...

Pharmacosiderite Pmsd Polarite Plr Pumpellyite-(Al) Pmp-Al Paravauxite Pvx Pharmazincite Pznc Poldervaartite Pdv Pumpellyite-(Fe2+ Pmp-Fe2+ Paravinogradovite...

of spherulites, of perlite, lithophysae, and low-temperature prehnite-pumpellyite facies sub-seafloor alteration is ubiquitous though often overprinted...

very low grade metamorphism in the pumpellyite–actinolite facies, with the development of the assemblage pumpellyite + actinolite + chlorite + sericite...

best U.S. locality for the species (certainly the best in New Jersey). Pumpellyite has been collected there as well. The county's largest leaf composting...

that this low metamorphic grade was the result of regional prehnite–pumpellyite to greenschist metamorphism caused by the widespread emplacement of granitic...

sediments, cherts and basalts, ranging from sub-metamorphic to prehnite-pumpellyite or low-temperature blueschist (jadeite-bearing) grades of metamorphism...

belt, Oligocene to Miocene aged volcanic group basement rocks including pumpellyite and actinolite greyschist have erupted through the upper and lower greenschist...

Franciscan and Sanbagawa types. The rocks are characterized by prehnite-pumpellyite, blueschist or eclogite facies minerals. Metamorphism Metamorphic facies...

syncline's eastern limb. Indurated with widespread metamorphic prehnite, pumpellyite, and lawsonite, the formation is subdivided into Queens Beach, Incline...

slopes are underlain by greywacke sandstones and shales of prehnite-pumpellyite metamorphic grade, but the contact between the sandstones and the serpentinite-matrix...