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The Rock Library

@Rock_Library

The Rock Library is an online resource on minerals and rocks operated by The Royal School of Mines, Imperial College London.

 London, England
wwwf.imperial.ac.uk/earthscienceandengineering/rocklibrary/index.php
Joined December 2016
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Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)Photo by The Rock Library (@Rock_Library)
Gneissose banding and pegmatite in an Archean granite gneiss from the Pilbara craton, Australia. These diapirs squeeze the greenstone belts.
Image from The Rock Library (@Rock_Library)
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Pyrolucite (manganese oxide) in a synsedimentary breccia formed as an Archean palaeosol on dolomite. From Pilbara, Australia.
Image from The Rock Library (@Rock_Library)
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Ripple cross lamination with hematite in the 2.5 billion year banded iron formation at Paraburdoo, Pilbara, Australia. @ImperialRSM
Image from The Rock Library (@Rock_Library)
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Conical stromatolites in the 3.43 billion year old Strelley Pool Chert in Pilbara, Australia. Old critters! @ImperialRSM
Image from The Rock Library (@Rock_Library)
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Archean jasperite at Marble Bar, Pilbara, Australia. A 3.46 billion year old chert. @ImperialRSM
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
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Normal faults in Triassic sediments on a wavecut platform east of Watchet, Somerset. Seeing geology by drone. @ImperialRSM
Image from The Rock Library (@Rock_Library)
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Amphibolite with folded veins of quartz, feldspar and hornblende. St Paul's underground station, London. @ImperialRSM
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
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Every day the Rock Library is attacked by hackers. So sorry to all the students and staff who rely on us. We are repairing malicious damage.
Image from The Rock Library (@Rock_Library)
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F2 folds with crenulation cleavage in black phyllite and metasiltstone, Falmouth, Cornwall. #fieldworkfriday for the RSM's Paul Garrard
Image from The Rock Library (@Rock_Library)
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Like a knife through butter. Cutting a slice through a basalt with a mantle xenolith - using a rock saw to make a #ThinSectionThursday
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Lamproite from Oz with phlogopite phenocrysts in a groundmass with richterite and leucite. The world's deepest magma. #ThinSectionThursday
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
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The Rock Library's Matt Genge on the rocks of Australia House in London teapawt.net/rockbloke/status/87001…
Matthew Genge (@rockbloke) profile pictureMatthew Genge@rockbloke31 May 2017
The Australian High Commission have just released a video of my geology tour of Australia House ow.ly/pD3F30cch0u @imperialRSM
Image from Matthew Genge (@rockbloke)
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Rock library in the field. Spindle bombs and matle xenoliths from a leucite basanite scoria cone in Sardinia @chpet @AAlechiarenza
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
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Parallel agate-bearing vugs in a basaltic andesite sill injected into wet pyroclastics in Sardinia. @AAlechiarenza @chpet @peterophysics
Image from The Rock Library (@Rock_Library)
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Through cross beds in Triassic sandstones never fail to impress, particular in Sardinia. @AAlechiarenza @chpet @peterophysics
Image from The Rock Library (@Rock_Library)
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Metagabbro...Silurian back-arc basin magma at greenschist facies. In Sardinia...with @rockbloke @AAlechiarenza @peterophysics
Image from The Rock Library (@Rock_Library)
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Mantle xenoliths with pyroxenite veins and phlogopite megacrysts from Sardinia. Mantle fieldwork with @chpet @rockbloke @AAlechiarenza
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
Image from The Rock Library (@Rock_Library)
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Ignimbrite with rheomorphic flow in rotated lithic clasts. Field petrology in Sardinia with @rockbloke @chpet @AAlechiarenza @peterophysics
Image from The Rock Library (@Rock_Library)
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Nature's chocolate egg - a particulary brown agate nodule. Happy Easter from the Rock Library.
Image from The Rock Library (@Rock_Library)
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Tiger's eye in XPL - 2.5 billion year old banded-iron formation showing the birth of our oxygen-rich atmosphere #ThinSectionThursday
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