How to use in-sentence of “igneous”:
– The Mackenzie Large Igneous Province was caused by processes other than normal plate tectonics and seafloor spreading.
– The rock formed is intrusive igneous rock.
– Erosion usually causes the geological formations, which are often made of very hard and solid igneous rockigneous or metamorphic rock.
– The word “felsic” is a term used in geology to refer to silicate minerals, magma, and igneous rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.
– A breccia may have a variety of different origins, as indicated by the named types including sedimentary breccia, tectonicstectonic breccia, igneous breccia, impact breccia and hydrothermal breccia.
– Shiprock is composed of fractured volcanovolcanic dikes of igneous rock.
Example sentences of “igneous”:
– Diabase is an igneous rock that is often blue in colour.
– It happens most in igneous rock when magma is fluid enough to flow round more solid rock.
– Gabbro is a large group of dark, coarse-grained, igneous rocks.
– These are also very varied types, including both sedimentary and igneous rocks.
– The original rock may be sedimentary rock, igneous rock or another older metamorphic rock.
– These minerals formed during the crystallization of igneous rocks.
– The upper 16km of the Earth’s crust is composed of about 95% igneous rocks with only a thin, widespread covering of sedimentary and metamorphic rocks.
– The island is a popular destination for geologists, who come to see igneous rockintrusive igneous landforms such as sills and dykes as well as sedimentary and metasedimentary rocks ranging in age from Precambrian to Mesozoic.
– A xenocryst is an individual foreign crystal included within an igneous body.
– It can erode back into sediment, or be pressurized into metamorphic rock and can be melted to magma, which forms igneous rocks.
– The most usual thing that happens is that later volcanic activity pushes lava through strata which were laid down earlier in a sedimentary fashion, or through earlier igneous rocks.
– It seems that there has been a steady increase in the carbonatitic igneous activity through the Earth’s history, from the Archean eon to the present.
– Other types of rock are igneous rock and metamorphic rock.
– Metamorphic rock is igneous or sedimentary rock that has been heated and squeezed.
– These minerals often produce lower precision ages than igneous and metamorphic minerals traditionally used for age dating, but are more common in the geologic record.
– Large Igneous Provinces Commission.
– A peridotite is a hard and rough igneous rock, made up mostly of the minerals olivine and pyroxene.
– There are three main kinds of rocks: igneous rock, metamorphic rock, and sedimentary rock.
– It is a group of igneous rocks which were formed during a massive igneous event starting about1,270 million years ago.
- Diabase is an igneous rock that is often blue in colour.
- It happens most in igneous rock when magma is fluid enough to flow round more solid rock.
More in-sentence examples of “igneous”:
- The Coppermine River Group is a sequence of Mesoproterozoic continental flood basalts forming part of the Mackenzie Large Igneous Province in the Northwest Territories and Nunavut, Canada.
- Rhyolite is a very strong igneous rockigneous, volcanic rock.
- Much of the lower continental crust is metamorphic, except for recent igneous intrusions.
– The Coppermine River Group is a sequence of Mesoproterozoic continental flood basalts forming part of the Mackenzie Large Igneous Province in the Northwest Territories and Nunavut, Canada.
– Rhyolite is a very strong igneous rockigneous, volcanic rock.
– Much of the lower continental crust is metamorphic, except for recent igneous intrusions.
– The Mackenzie Large Igneous Province is a major Mesoproterozoic large igneous province of southwestern, western and northwestern Canada.
– The islands are part of a large igneous province which started when Gondwana started to break up, 130 million years ago in the Lower Cretaceous period.
– They are often on top of a layer of igneous rocks.
– Kimberlite is an igneous rock best known for sometimes containing diamonds.
– Its dominant product is andesite, an igneous rock.
– The particles of a beach are sometimes biological in origin, such as mollusc shell shells or bits of coral and sometimes bits of igneous rock, but the most common mineral in beaches is quartz.
– Pyroxenite is an igneous rock made up of minerals from the pyroxene group.
– Dikes and sills in igneous rock are often made of diabase.
– Both intrusive and extrusive rocks are classed as igneous rocks.
– These deposits are formed from the heat of metamorphic or igneous rock plateaus.
– However, the presence of iron meteorites and achondriteachondritic meteorite classes without identified parent bodies indicates that there once were other differentiated igneous histories, which have since been broken by impacts.
– The minerals in gneiss may come from rocks which were originally either igneous or sedimentary.
– They are a large igneous province on the Deccan Plateau of west-central India and one of the largest volcanic features on the planet.
– Carbonatite is a type of igneous rock.
– These rocks are formed when igneous or sedimentary rocks are subjected to extreme heat and pressure as result they undergo a complete change in their form and characteristics.
– Quartz is one of the chief minerals produced by igneous action; it is made of silica, the most common molecule in igneous minerals.
– Sub-million-year age resolution of Precambrian igneous events by thermal extraction-thermal ionization mass spectrometer Pb dating of zircon: Application to crystallization of the Sudbury impact melt sheet.
– If the conditions are changed by movements in the earth’s crust or by igneous activity, metamorphism occurs to reestablish equilibrium and changes the physical character of the rock mass.
– For example, minerals in igneous rocks can help figure out how long the rock took to cool down.
– It is a modern geological feature, and it is also a very ancient geological core made of igneous rock.
– Like most large igneous provinces, the Mackenzie Large Igneous Province was caused by a mantle plume an upwelling zone of abnormally hot rock within the Earth’s mantle.
– The largest and best-preserved continental flood basalt terrain on Earth is part of the Mackenzie Large Igneous Province in Canada.
– Fitz Roy is made of igneous rocks from deep in the Earth.
– Greenstone belts were originally formed of igneous rocks, such as basalt.
– Arkose is generally formed from the weathering of igneous or metamorphic rocks.
– The nearby Bushveld Igneous Complex and Witwatersrand Basin were created during this same period, leading to speculation that the bolide was big and fast enough to cause local volcanism.
– The Siberian Traps form a large region of volcanic rock, known as a large igneous province, in the Russian region of Siberia.
– It is a large area of exposed Precambrian igneous and high-grade metamorphic rocks.
– It is the Earth’s biggest continental large igneous province, with an area of about 11 million km.
– On the Isle of Arran, for example, there are hundreds of igneous dykes giving rise to the term dyke swarm.
– The 1.27 Ga Mackenzie Large Igneous Province and Muskox layered intrusion.
– Intrusions eventually cool down and become igneous dikes or sills.
– Soft water mostly comes from peat or igneous rock sources, such as granite but may also come from sandstone sources, since those sedimentary rocks are usually low in calcium and magnesium.
– Orthogneiss is gneiss got from igneous rock.
– At the northern portion of the Mackenzie Large Igneous Province, vast volumes of basaltic lava paved over a large part of the northwestern Canadian Shield.
– The Fault fault separates the hard igneous and metamorphic rocks to the north from the softer sedimentary rocks of the Scottish Lowlands in the south.
– Igneous rocks of the Mackenzie Large Igneous Province are generally mafic in composition, including basalt and gabbro.
– More generally, it is any rock below sedimentary rocks or sedimentary basins that are metamorphic or igneous in origin.
– Granite is a kind of igneous rock, found on Earth but nowhere else in the Solar System.
– It forms a medium-sized large igneous province, of volume 3300 km.
– The large igneous province extends from the Arctic in Nunavut to near the Great Lakes in northwestern Ontario.
– Some examples of igneous volcanic rock are pumice, obsidian, and scoria and much more.