On the Igneous And Pyroclastic Rocks of the Berwyn Hills North Wales
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In our eReader you can find the full English version of the book. Read On the Igneous And Pyroclastic Rocks of the Berwyn Hills North Wales Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book On the Igneous And Pyroclastic Rocks of the Berwyn Hills North Wales
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To quickly assess the difficulty of the text, read a short excerpt:
294.
92 "A pe^. Liar rock resting on a thick mass of dark greenstone: "the pale greenish-grey rock is believed to be a ' greenstone ash' in "contradistinction to a ' f elstone ash. ' Jevons, * in the only paper since dealing with this area, assumed a succession of Quartz-keratophyre tuffs, with a lava of the same composition at their base, and the latter is declared to be intrusive.
In the early part of the present paper the late author states that the Carnedd-y-Ci intrusion may be resolved t/ ...*/ into " a single band of a somewhat unusual type of rock, " without any association of tuffs.
The sheet is but of slight thickness, although it presents a broad outcrop in the field. The dip and slope of the ground coincide, and the cover of peat permits of few exposures. In Clochnant the line of fault exposes a coarse dolerite nearly in contact with Bala slates on the Fronwen side. In Cwni Dywyll the outcrop is clearer, and from thence to the valley of Ysgeriau n wide expanse of loose blocks indicates the position of the sill.
What to read after On the Igneous And Pyroclastic Rocks of the Berwyn Hills North Wales?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Henry Cope to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
294.
92 "A pe^. Liar rock resting on a thick mass of dark greenstone: "the pale greenish-grey rock is believed to be a ' greenstone ash' in "contradistinction to a ' f elstone ash. ' Jevons, * in the only paper since dealing with this area, assumed a succession of Quartz-keratophyre tuffs, with a lava of the same composition at their base, and the latter is declared to be intrusive.
In the early part of the present paper the late author states that the Carnedd-y-Ci intrusion may be resolved t/ ...*/ into " a single band of a somewhat unusual type of rock, " without any association of tuffs.
The sheet is but of slight thickness, although it presents a broad outcrop in the field. The dip and slope of the ground coincide, and the cover of peat permits of few exposures. In Clochnant the line of fault exposes a coarse dolerite nearly in contact with Bala slates on the Fronwen side. In Cwni Dywyll the outcrop is clearer, and from thence to the valley of Ysgeriau n wide expanse of loose blocks indicates the position of the sill.
What to read after On the Igneous And Pyroclastic Rocks of the Berwyn Hills North Wales?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Henry Cope to read onlineMoreLess
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