-
Greywacke or
graywacke (German:
Grauwacke 'a grey,
earthy rock') is a
variety of
sandstone generally characterized by its
hardness (6–7 on Mohs scale)...
- The
greywacke zone is a band of
Paleozoic metamorphosed sedimentary rocks that
forms an east-west band
through the
Austrian Alps. The
greywacke zone crops...
-
characteristic shape of ribs of hard
greywacke with
narrow gaps
where mudstone was worn away, and
fragments of
greywacke lay on the
surface as a
talus deposit...
-
Green Caesar is a
portrait of
Gaius Julius Caesar made of
green egyptian greywacke, kept in the
Antikensammlung Berlin,
which was
likely made in the first...
-
goddess standing,
greywacke, in
Boston Mus. 09.200. Nome triad, King, Hathor-Mistress-of-the-Sycomore and
Theban nome-god standing,
greywacke. (Now in Cairo...
- mine in this region. The Wadi
Hammamat was a
notable source of granite,
greywacke, and gold.
Flint was the
first mineral collected and used to make tools...
- a
distinctive type of
glacial erratic that
consists of dark
siliceous greywacke and
exhibits prominent rounded,
often deep,
hemispherical voids and pits...
- and tawa, and was a home for
birds such as kererū, tūī, kākā and kiwi.
Greywacke from the
ranges was a
source for many
stone tools used by
Hauraki Māori...
- in the
Greywacke stratum in
North Devon, England. De La
Beche was
claiming that
since Carboniferous fossils were
found deep in the
Greywacke stratum...
- on the
limestone platform at
Norber near Settle." Many of the
Silurian greywacke boulders at the site are
perched on
pedestals of
limestone up to 30cm...