Can gneiss hold fossils

Anonymous

∙ 13y ago

Updated: 8/20/2019

No, gneiss is a highly metamorphosed rock subjected to high pressured and heat. Although some gneisses were sediments before their alteration any traces of fossils would have been obliterated.

Wiki User

∙ 13y ago

What else can I help you with?

Does gneiss have fossils?

No, it's an igneous rock, made from cooling and consequently solidification of a magma. Animals (or any other organism) capable of leaving behind a fossil can not survive and do not live in a magma. Fossils can be found in sedimentary rocks or in metamorphic rocks (if the protolith, the original rock, was sedimentary). In metamorphic rocks, fossils are generally intensely deformed and hence difficult to recognise/identify.

What group is gneiss in?

A Gneiss is a Metamorphic rock

Is gneiss folaited or nonfolaited?

Gneiss is foliated.

Can scoria hold fossils?

Schists are formed when a sedimentary rock is deformed by great heat and pressure, deep within the Earth's crust. This deformation means that fossils do not survive in schists. Only less deformed rocks, such as slate and shale, can hold fossils.

What are the characteristics of gneiss?

Gneiss is foliated and coarse grained

What is gneiss mineral group?

Gneiss is a rock, not a mineral.

Is an gneiss rock sedimentary rock?

No, gneiss is metamorphic.

Where would gneiss be in the US?

Gneiss is a part of the earths lower crust. No matter where you drill you will eventually uncover gneiss.

What type of rock most commonly hold fossils?

Sedimentary rocks are most commonly known to hold fossils, particularly rocks like limestone, sandstone, and shale. These rocks form from the accumulation of sediment over time, which can help preserve the remains of plants and animals as fossils.

What is the porosity of gneiss?

Gneiss typically has low porosity, usually ranging from about 1% to 5%. This is due to its metamorphic nature, characterized by tightly interlocking mineral grains that result from high pressure and temperature conditions. The low porosity means that gneiss generally has limited capacity to hold water or other fluids compared to more porous rocks like sandstone or limestone.

Can gneiss metamorphose into phyllite?

No. Phyllite can metamorphose into schist and then into gneiss.

Does gneiss split with a hammer?

Yes, gneiss will split with a hammer.

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