Which Is Older Granite Or Basalt

I have some gorgeous black basalt with white inclusions that i have been working on.

Which is older granite or basalt.

The granite formed from underground lava called magma about 100 million years ago. The principle of cutting states when one feature cuts another the feature being cut is older the feature doing the cutting is younger. The key difference between basalt and granite is that basalt is mostly occurring on ocean floors while granite is in the crust of the earth in all continents. Basalt as a mafic rock contains more calcium oxide manganese oxide and iron compounds than granite.

Granite is available in black grey orange pink white colors whereas basalt is available in black brown light to dark grey colors. Appearance of granite is veined or pebbled and that of basalt is dull and soft. As it turns out most of the ocean floor is basalt and most of the continents are granite. All rocks of igneous origin consist of magma or molten earth that finds its way up to.

The granite cuts through the schist in first photo and cuts the schist s foliation in the second. Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust. Granite is an igneous plutonic rock which is. Basaltic crust is dark and thin and heavy while granite is light and accumulates.

It forms from lava flows which extrude onto the surface and cool. I have polished some of it with great results. ˈ b æ s ɔː l t ˈ b æ s əl t is a mafic extrusive igneous rock formed from the rapid cooling of lava rich in magnesium and iron exposed at or very near the surface of a terrestrial planet or a moon. The trick is to heat the basalt back up again so it can melt and give the iron another shot at the core.

Its principle minerals include pyroxene feldspar and olivine. It is mostly made out of quartz mica and feldspar. That s in the cretaceous period the last period in which the. It is common both on earth and other planetary bodies.

B ə ˈ s ɔː l t ˈ b eɪ s ɒ l t uk. Grant mason from the byu department of physics and astronomy discusses samples of granite and basalt rock. Its high iron content gives it magnetic properties and it may show signs of rust when exposed to air. Polishing granite or basalt too old to reply b bolding 2006 01 09 05 24 14 utc.

A deep black shiny luster. The granite is much older than the basalt. It wants to be there and heat is the key which unlocks the door. More than 90 of all volcanic rock on earth is basalt and the eruption of basalt lava is observed by geologists at about 20.

Granite is a felsic rock meaning that it has a high silicon content.