PALAVRAS RELACIONADAS COM «DOLERITE»
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basalt ·
gabbro ·
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plagioclase ·
feldspar ·
pyroxene ·
scran ·
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dykes ·
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sills ·
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dolrite ·
10 LIVROS EM PORTUGUÊS RELACIONADOS COM «DOLERITE»
Descubra o uso de
dolerite na seguinte seleção bibliográfica. Livros relacionados com
dolerite e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Field Guide to the Eastern and Southern Cape Coasts
The sandstone beds are cliff-formers, but the three-dimensional lenticular shape
of the channel-fill sandstones causes the cliffs to van' in size. The sandstone
beds are good aquifers. A near-vertical dolerite dyke passing through
Breakfastvlei ...
Roy Lubke, Irene J. De Moor,
1998
2
Petrophysical Properties of Crystalline Rocks
Table 1. Depths of thin-section samples in Well 2 and Well 3 Depths listed in bold
type denote thin sections that are shown and discussed in the text. the two holes
within the dolerite are similar, and correspond well to the previous geological ...
3
New Zealand Journal of Geology and Geophysics
Fig. 4 A Map of Area 1 showing location of sedimentary blocks and orientation of
bedding within these blocks. Some blocks are too small to be shown on the map,
and the amount of dolerite surrounding some blocks is also too small to be ...
4
Geological Journeys: A Traveller's Guide to South Africa's ...
But where's the dolerite? Keep your eyes open because you'll soon cross the first
outcrop on this entire route about 15 km before King William's Town (geosite 5,
map 14). The distribution and identification of Karoo dolerite The southern strip of
...
Nick Norman, Gavin Whitfield,
2006
5
New Zealand Journal of Geology and Geophysics
46 2.91 2.56 2.87 2.77 3.51 3.27 3.12 3.78 3.64 4.33 4.16 4.04 3.10 3.71 The
range in values for samples of Ferrar Dolerite is much smaller. Average density
and velocity values for the medium-grained dolerite, which is the most common
sill ...
6
Beaches of the Tasmanian Coast and Islands
... 271 Cordell Pt (Jurassic dolerite, 7 m), 290 CowperPt (sand, 11 m), 235 Cowrie
Pt (Precambrian sandstone, 3 m), 258 Cox Bluff (Precambrian granodorite, 320 m
), 171 Cray Pt (Triassic sandstone, 15 m), 141 Crayfish Pt (Permian sandstone, ...
7
Ophiolites in Earth History
The dolerite dykes strike N60° to 80°W and dip steeply to the south. There are
two types of dolerite dykes. The first is coarse grained with rare chilled margins.
These are intruded by a later group of fine-grained dykes, which occur as single ...
Yildirim Dilek, Paul T. Robinson,
2003
8
Descriptive catalogue of rock specimens collected by the ...
Dolerite. Whitehill, Dalmellington, Ayrshire. 482. Dolerite. Carskeoch, Patna,
Ayrshire. This rock pierces a 'neck' or old plugged volcanic vent of Permian age.
483. Dolerite. Quarry*Knowe, Patna. 484. Dolerite. Half mile west of Grimmet, ...
Edinburgh mus. of sci. and art,
1870
9
Origin of Igneous Rocks: The Isotopic Evidence
These rocks are related to the Ferrar dolerite of Antarctica by virtue of their
characteristic chemical compositions and elevated initial 87Sr/86Sr ratios, and
because reconstructions of the break-up of Gondwana demonstrate that both
Tasmania ...
10
Slope Stability in Surface Mining
Several dolerite dykes up to 50 m wide as well as numerous narrower dykes
cross the pit. A simplified plan of the final pit geology is illustrated in Figure 20.2.
Several steeply dipping to subvertical major faults can be traced through the pit.
W. A. Hustrulid, M. Kim McCarter, Dirk J. A. Van Zyl,
2000
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «DOLERITE»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
dolerite no contexto das seguintes notícias.
Why isn't there any granite in Graniteville?
Although this rock is called diabase in North America, most of the rest of the world knows it as dolerite. It is commonly found in dikes and sills that form when ... «SILive.com, out 15»
Steven Mithen
And so my New Year's walk across the Lewisian Gneiss, the sandstones and the dolerite dykes of the island, was enriched by Rudwick's demonstration that the ... «London Review of Books, jul 15»
Secrets of dolerite sills
The dolerite sills form such impermeable layers and so may have acted as good trap rocks for the gas. Thus the rocks beneath a dolerite sill might provide a ... «Phys.Org, jul 15»
Dolerite sills may have burnt Karoo gas - but may also hold hidden …
As the magma cooled it produced a hard, black rock (not unlike the basalt lavas) that is called dolerite. Where the magma invaded a horizontal bedding plane ... «Times LIVE, jul 15»
49 000-year-old milk unearthed in SA
The paint was discovered after analysing a small stone flake of dolerite found in Sibudu Cave, a rock shelter in northern KwaZulu-Natal about 40km north of ... «Independent Online, jul 15»
Photos: These star and rock formations in Egypt's White Desert are …
Slightly to the north lies the Black Desert, given its name by the volcanic rock dolerite, similar to basalt. Four-by-four and trekking trips for tourists include Bedouin ... «IBNLive, jun 15»
Metals of Africa intersects graphite in most holes at Montepuez
The geology comprised dolerite and minor amphibolite intruded by pegmatite, with the mineralisation largely hosted in narrow graphitic shears over printing the ... «Proactive Investors Australia, jan 15»
The types of rock: igneous, metarmorphic and sedimentary
This happens when a volcano violently erupts, creating pockets of air in the rock. The most common types of igneous rocks are: andesite; basalt; dacite; dolerite ... «ZME Science, jan 15»
How Cave Slime Helps Create Dripstones
Tjuv-Antes cave is carved from granite, but the dripstones form only on a vein of dolerite rock (similar in composition to basalt) that cuts through the cleft. «LiveScience.com, set 14»
Does this have the Grand Canyon beat?
Nearby the Quiver Tree Forest is the area known as Giant's Playground, so called because of the stacked arrangements of massive, dolerite rocks that can't help ... «CNN, set 14»