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Slide_no: Q00694
Photo_Number: P2200445
Category: Mineral/Chemical
Common: Chiastolite slate section parallel to cleavage
Mounters_Surname: Evens
Mounters_Initials: E.D.
Where_Collected: Melden N quarry Okehampton Devon
Date_Collected: Saturday, May 10, 1958
Date_Mounted: Wednesday, May 21, 1958
Mounting_Method: Transmitted
Mountant: Xylol balsam
Slide_Type: Standard - with paper label
Ringing: yes
Comments: formed by contact metamorphism of carbonaceous shale, characterized by prominent cleavage or schistosity and the presence of conspicuous chiastolite crystals in a fine-grained groundmass.
Image

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