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"Tabular" means "like a table". In geologic terms, this would describe a landform that is broad and flat, with little variation in elevation. For instance, a mesa would be tabular.

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How would you classify an igneous intrusion that is tabular and discordant?

An igneous intrusion that is tabular and discordant is classified as a dyke. Dykes are vertical or steeply inclined sheets of magma that cut across the existing rock layers, indicating that they intruded after the formation of those layers. This discordant nature contrasts with sills, which are tabular intrusions that parallel the bedding of the surrounding rock.


Are sills tabular discordant bodies that are produced when magma is injected into fractures?

Yes, sills are tabular discordant bodies formed when magma intrudes into pre-existing fractures and solidifies between layers of existing rock. They are characterized by their flat, parallel orientation with the surrounding rock layers.


Are batholiths tabular?

No, batholiths are not tabular. Batholiths are large, dome-shaped intrusive igneous rock formations that are typically composed of granitic rocks. They form deep underground through the solidification of magma and are commonly found in mountainous regions.


What is a tabular crystal habit?

A tabular crystal habit refers to a flat, plate-like shape exhibited by certain crystals. These crystals have two dimensions that are much larger than the third, resulting in thin, flattened shapes resembling a plate or tablet. This habit is commonly observed in minerals like mica and barite.


Does convection in the mantle ise as tabular sheets when warm rock rises?

Yes, convection in the mantle does often occur in tabular sheets when warm rock rises. This process is known as sheet-like flow, where warm material rises in broad, sheet-like structures, carrying heat upwards in the mantle. These tabular sheets play a key role in driving the movement of tectonic plates and shaping the Earth's surface.