-
Greywacke or
graywacke (German grauwacke,
signifying a grey,
earthy rock) is a
variety of
sandstone generally characterized by its
hardness (6–7 on Mohs...
- 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...
-
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...
- The
Boston Green Head is a
greywacke sculptured head of an
Egyptian priest from the Late
Period of
ancient Egypt. The head is
dated to 380–332 BC and...
- 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...
- Rakaia,
Aspiring and
Pahau terranes and the Esk Head Belt.
Greywacke (or
Torlesse Greywacke) is the
dominant rock type of the
composite terrane; argillite...
-
tholeiitic pillow basalts and
minor porphyritic felsic flows. Siltstone,
greywacke, iron formation,
ferromanganiferous shale and
chert represent minor rocks...
-
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...
- 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...
