Volcanic Dome

Science / Geology / Volcanic Dome: A steep-sided extrusion of very viscous lava that is squeezed from a volcanic vent without major eruption. These are frequently rhyolitic in composition and produce a rounded mound above the vent.

Volcanic Ash Fall

Science / Geology / Volcanic Ash Fall: An accumulation of volcanic ash produced by an eruption. These can be very thick near the vent and decrease to a light dusting in a downwind direction. MORE

Volcanic Ash Flow

Science / Geology / Volcanic Ash Flow: A mixture of volcanic ash and gases that moves downhill as a density current in the atmosphere. MORE

Volcanic Block

Science / Geology / Volcanic Block: A pyroclastic rock fragment ranging from about fist- to car-sized. MORE

Volcanic Ash

Science / Geology / Volcanic Ash: A volcanic sediment of rock fragments, usually glass, less than 4 millimeters in diameter that is formed when escaping gases force out a fine spray of magma. MORE

Soil Conservation And Domestic Allotment Act Of 1936

Business / Agriculture / Soil Conservation And Domestic Allotment Act Of 1936: P.L. 74-46 (February 26, 1936) was designed to support farm income by making soil-conservation and soil-building payments to participating farmers. This design overcame the unconstitutional taxes on p MORE

Qualified Domestic Trust (QDOT)

Business / Taxes / Qualified Domestic Trust (QDOT): If your spouse isn’t a US citizen and your estate is large enough to risk being vulnerable to estate taxes, you can use a qualified domestic trust (QDOT) to allow your spouse to enjoy the benefit of MORE