-
Pericline also
refers to a
doubly plunging anticline or syncline.
Pericline is a form of
albite exhibiting elongate prismatic crystals.
Pericline twinning...
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Parachrysotile (a
polytype of chrysotile)
Pelagosite (variety of aragonite)
Pericline (variety of albite)
Peridot (gem-quality olivine)
Perlite (volcanic gl****)...
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rhombic in
cross section, striated; m****ive
Twinning Common by albite,
pericline, Carlsbad, Baveno, or
Manebach twin laws
Cleavage Perfect on {001}, less...
-
minerals plagioclase and microcline.
These minerals show the
Albite and
Pericline Laws. The most
common twin
operations by
crystal system are tabulated...
-
anhedral grains in m****ive
aggregates Twinning Common Albite, Carlsbad, and
Pericline twinning Cleavage Perfect on [001], good on [010],
imperfect on [110]...
- from
exsolved albite.
Twinning Typically displays albite twinning and
pericline twinning. This
combination leads to a grid pattern,
hence microcline displays...
-
believed to be
Celtic for hill or tor. It
gives its name to one of the four
periclines which underlay the
geology of the hills. The
summit is 305 metres (1,001 ft)...
- 2 cm;
commonly m****ive or
granular Twinning Common following albite,
pericline, and
carlsbad twin laws
Cleavage Perfect on {001}, good on {010} Fracture...
- This
structure is an anticline, or more
specifically an east-verging
pericline. The west limb has a dip of
around 30° and the east limb has overturned...
-
Slough are on its
northern rim) – an
example of this
folding is a (chalk)
pericline thrust up
through the
surrounding Palaeogene deposits;
Windsor Castle...
