Matches in SemOpenAlex for { <https://semopenalex.org/work/W2022273079> ?p ?o ?g. }
Showing items 1 to 70 of
70
with 100 items per page.
- W2022273079 endingPage "152" @default.
- W2022273079 startingPage "152" @default.
- W2022273079 abstract "A microscopical examination of this rock discloses a very fine-grained ground-mass containing evenly distributed quartz grains, and a felspar in very small, dull, opaque, crystalline grains. In thin sections, under the microscope, the quartz is found to he more abundant than at first was evident; indeed it forms a very considerable part of the mass. It is very angular in outline, and appears to be fragmentary, the rounded crystalline grains with inclusions of the ground-mass, so characteristic of the quartz-felsites and porphyries, being but sparsely represented. The felsitic groundmass is very uneven in texture, has very little action on polarized light, and is only occasionally to be observed folding in bands around a crystal of felspar or quartz. In some parts the quartz grains are so numerous and closely aggregated as to afford but little space for the ground-mass, and bear a close resemblance to some of the more quartzose members of the so called “ashes” of North Wales. The felspar, like the quartz, is very fragmentary and much kaolinized. Some altered magnetite is present. The rock is evidently a breccia in which both the fragments and the cement are of the same mineral nature; it is, in fact, a quartz-felsite breccia." @default.
- W2022273079 created "2016-06-24" @default.
- W2022273079 creator A5026139097 @default.
- W2022273079 date "1878-02-01" @default.
- W2022273079 modified "2023-09-26" @default.
- W2022273079 title "Note on a Rock-specimen from the Centre of the so-called Porphyritic Mass to the East of Tal-y-sarn" @default.
- W2022273079 doi "https://doi.org/10.1144/gsl.jgs.1878.034.01-04.16" @default.
- W2022273079 hasPublicationYear "1878" @default.
- W2022273079 type Work @default.
- W2022273079 sameAs 2022273079 @default.
- W2022273079 citedByCount "0" @default.
- W2022273079 crossrefType "journal-article" @default.
- W2022273079 hasAuthorship W2022273079A5026139097 @default.
- W2022273079 hasConcept C101139013 @default.
- W2022273079 hasConcept C115961682 @default.
- W2022273079 hasConcept C127313418 @default.
- W2022273079 hasConcept C151730666 @default.
- W2022273079 hasConcept C154945302 @default.
- W2022273079 hasConcept C17409809 @default.
- W2022273079 hasConcept C187320778 @default.
- W2022273079 hasConcept C199289684 @default.
- W2022273079 hasConcept C199360897 @default.
- W2022273079 hasConcept C26687426 @default.
- W2022273079 hasConcept C2779181077 @default.
- W2022273079 hasConcept C2779670319 @default.
- W2022273079 hasConcept C2779870107 @default.
- W2022273079 hasConcept C2781195486 @default.
- W2022273079 hasConcept C2781285689 @default.
- W2022273079 hasConcept C41008148 @default.
- W2022273079 hasConcept C41242791 @default.
- W2022273079 hasConcept C62074269 @default.
- W2022273079 hasConceptScore W2022273079C101139013 @default.
- W2022273079 hasConceptScore W2022273079C115961682 @default.
- W2022273079 hasConceptScore W2022273079C127313418 @default.
- W2022273079 hasConceptScore W2022273079C151730666 @default.
- W2022273079 hasConceptScore W2022273079C154945302 @default.
- W2022273079 hasConceptScore W2022273079C17409809 @default.
- W2022273079 hasConceptScore W2022273079C187320778 @default.
- W2022273079 hasConceptScore W2022273079C199289684 @default.
- W2022273079 hasConceptScore W2022273079C199360897 @default.
- W2022273079 hasConceptScore W2022273079C26687426 @default.
- W2022273079 hasConceptScore W2022273079C2779181077 @default.
- W2022273079 hasConceptScore W2022273079C2779670319 @default.
- W2022273079 hasConceptScore W2022273079C2779870107 @default.
- W2022273079 hasConceptScore W2022273079C2781195486 @default.
- W2022273079 hasConceptScore W2022273079C2781285689 @default.
- W2022273079 hasConceptScore W2022273079C41008148 @default.
- W2022273079 hasConceptScore W2022273079C41242791 @default.
- W2022273079 hasConceptScore W2022273079C62074269 @default.
- W2022273079 hasIssue "1-4" @default.
- W2022273079 hasLocation W20222730791 @default.
- W2022273079 hasOpenAccess W2022273079 @default.
- W2022273079 hasPrimaryLocation W20222730791 @default.
- W2022273079 hasRelatedWork W2022273079 @default.
- W2022273079 hasRelatedWork W2027765033 @default.
- W2022273079 hasRelatedWork W2183953076 @default.
- W2022273079 hasRelatedWork W2335559314 @default.
- W2022273079 hasRelatedWork W2343558336 @default.
- W2022273079 hasRelatedWork W2349183350 @default.
- W2022273079 hasRelatedWork W2378138594 @default.
- W2022273079 hasRelatedWork W2380974213 @default.
- W2022273079 hasRelatedWork W3177087931 @default.
- W2022273079 hasRelatedWork W3210432849 @default.
- W2022273079 hasVolume "34" @default.
- W2022273079 isParatext "false" @default.
- W2022273079 isRetracted "false" @default.
- W2022273079 magId "2022273079" @default.
- W2022273079 workType "article" @default.