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| Equilibrium in the earth's crust such that the forces tending to elevate landmasses balance the forces tending to depress landmasses |
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| a marine limestone, found in rock layers laid down ... the Burlington Limestone is widespread throughout the mid-continent region. |
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| internal heat of the earth |
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| organisms interact with their inorganic surroundings on Earth to form a self-regulating, complex system that contributes to maintaining the conditions for life on the planet. |
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| the first period in the Paleozoic era (between the end of the Precambrian eon and the beginning of the... |
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| A British Thermal Unit (BTU) is the amount of heat energy needed to raise the temperature of one pound of water by one degree F. |
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| A bend in rock strata that are otherwise uniformly dipping or horizontal |
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| A binary compound of a halogen with another element or group. |
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| A brittle gray or black mineral that occurs as prismatic crystals in granitic and other rocks. It consists of a boron aluminosilicate |
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| A common rock-forming mineral occurring typically as white or pink crystals |
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| A compound of bromine with another element or group, esp. a salt containing the anion Br− or an organic compound |
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| A fracture in the Earth's crust along which movement has occurred. |
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| A fuel derived directly from living matter. |
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| A large volcanic crater, typically one formed by a major eruption leading to the collapse of the mouth of the volcano |
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| A long hill or mountain ridge with steep sides. |
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| A long ridge of gravel and other sediment, typically winding, deposited by meltwater from a retreating glacier or ice sheet. |
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| A long wall or embankment built to prevent flooding from the sea |
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| A mass of rocks and sediment deposited by a glacier, typically as ridges at its edges or extremity |
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| A numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations |
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| A reddish-black mineral consisting of ferric oxide |
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| A requirement to have soil, plant life or other natural feature within an area instead of any man-made surface |
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| A rock or boulder that differs from the surrounding rock and is believed to have been brought from a distance by glacial action. |
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| A salt of the anion CO32−, typically formed by reaction of carbon dioxide with bases. |
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| A seam or stratum of coal parallel to the rock stratification. Also known as coal rake |
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| A set of beds deposited that reflects the geologic history of a region |
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| A silver-gray form of mica occurring in many igneous and metamorphic rocks |
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| A soft brownish coal showing traces of plant structure, intermediate between bituminous coal and peat |
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| A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together |
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| A thing that is composed of two or more separate elements; a mixture |
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| A topographic map is a type of map characterized by large-scale detail and quantitative representation of relief, usually using contour |
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| A trough or fold of stratified rock in which the strata slope upward from the axis |
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| A trough or fold of stratified rock in which the strata slope upward from the axis. |
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| A weathering process whereby rocks and minerals are transformed into new, fairly stable chemical. |
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| A white or colorless mineral consisting of calcium carbonate. It is a major constituent of sedimentary rocks such as limestone, marble |
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| A white, insoluble solid, CaCO3, occurring naturally as chalk, limestone, marble, and calcite, and forming mollusk shells |
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| A wide flat expanse of floating ice, esp. in polar regions |
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| Alteration of the composition or structure of a rock |
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| An isolated flat-topped hill with steep sides, found in landscapes with horizontal strata |
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| An opening in or near a volcano, through which hot sulfurous gases emerge. |
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| Any of a large group of minerals consisting of hydrated aluminosilicates of sodium, potassium, calcium, and barium |
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| Chemical classification systems attempt to classify elements or compounds according to certain chemical functional or structurally |
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| Conservation Area is three miles west of Rocheport on Highway 40 |
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| Damage to upland property |
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| Deviation from the normal |
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| Dolostone or dolomite rock is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite. |
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| Extremely hard aluminum oxide, used as an abrasive. Ruby and sapphire are varieties of corundum |
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| In fluid dynamics and hydrology, Darcy's law is a phenomenologically derived constitutive equation that describes the flow of a medium |
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| Make (a soluble chemical or mineral) drain away from soil, ash, or similar material by the action of percolating liquid, esp. rainwater. |
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| Move or cause to move into a sloping position |
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| Nonlithified sediment that has no mineral cement or matrix binding its grains |
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| Of or belonging to the geologic time, rock series, or sedimentary deposits of the second epoch of the Tertiary Period, characterized by warm climates |
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| Solar variation refers here to changes in the amount of total solar radiation and its spectral distribution |
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Solid rock underlying loose deposits such as soil or alluvium.
The fundamental principles on which something is based. |
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| The Doppler effect is a noticeable change in the frequency of sound, light or water waves as the source and the observer move. |
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| The United States Geological Survey (USGS) is a scientific agency of the United States government. |
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| The action or process of dissolving or being dissolved. |
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| The beginning of a distinctive period in the history of someone or something |
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| The branch of science concerned with earthquakes and related phenomena. |
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| The gradual caving in or sinking of an area of land |
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The process of corroding metal, stone, or other materials.
Damage caused by such a process |
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| The process, condition, or result of being covered by glaciers |
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| The ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas. |
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| The state or quality of a material or membrane that causes it to allow liquids or gases to pass through it. |
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| Wear away or change the appearance or texture of (something) by long exposure to the atmosphere: |
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Web definitions
Foliation is any penetrative planar fabric present in rocks. Foliation is common to rocks affected by regional metamorphic compression. |
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| a body immersed in a fluid is buoyed up buy the same weight of the fluid displaced by the body |
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| a branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks. |
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| a fold with strata sloping downward on either side with a common crest |
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| a long and narrow island running parallel to the mainland to avoid damage from erosion by surf and tidal surges |
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| a long, deep, narrow body of water that reaches far inland |
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| a natural or artificial hollow place containing water. |
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| a rock consisting of aluminum oxides and hydroxides with various impurities: the principal ore of aluminum. |
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| a steep cliff, or wall of rock or soil. |
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| an abnormal amount of surface water due to a heavy rain or snowstorm |
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| an earth consisting of very friable soft schistose deposits of silica and including diatomite and kieselguhr. |
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| being able to absorb fluids |
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| clay used in the manufacture of ceramics, especially fire brick |
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| consolidation of a loosely deposited sediment into a hard sedimentary rock |
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| crystalline mineral made of barium sulfate used in paint |
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| cylindrical section of (usually) a naturally-occurring substance consistent enough to hold a layered structure |
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| defined as where the land meets the sea. A precise line that can be called a coastline cannot be determined |
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| denoting the fourth epoch of the Tertiary period |
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| denoting the last period of the Mesozoic era, between the Jurassic and Tertiary periods. |
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| denoting the third epoch of the Tertiary period, between the Eocene and Miocene epochs |
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| dense radioactive metal used as a fuel in nuclear reactors. |
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| deposition of one geological stratum on another. |
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| describe the changes in the way the earth orbits the sun. These changes define the sequence of ice ages and warm periods. |
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| earth's rotation causing freely moving objects to veer toward the right in the Northern Hemisphere and to the left in the Southern Hemisphere. It effects things like wind, ocean currents, airplanes, missiles, but does not effect toilets or sinks. |
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| fast moving, liquified landslide of unconsolidated, saturated debris that looks like flowing concrete |
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| fine grained fertile soil deposited by water travelling over flood plains |
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| hard, dense, dark, volcanic rock often appearing w a glassy appearance (unglazed pottery) |
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| inclined sedimentary structures in a horizontal unit of rock |
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mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material.
Mohs Scale of Hardness |
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| muddiness created by stirring up sediment or having foreign particles suspended |
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| ore mineral that was deposited during the original period or periods of metallization |
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| pale green/purple mineral w calcium phosphate, chlorine, fluorine and other elements |
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| permeable rock that can hold or transfer groundwater |
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| petroleum: a dark oil consisting mainly of hydrocarbons |
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| processes pertain to the activity of the winds and more specifically, to the winds' ability to shape |
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| proportion of radiation reflected from a surface |
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| sloping downward toward each other to create a trough |
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| soft silvery white alkaline metal used to deoxidize copper and other alloys |
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| subset of structural analysis and is the calculation of the response of a building |
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| sulfer bearing minerals react with rainwater |
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| the conversion of wasteland into land suitable for use of habitation or cultivation. |
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| the fourth of six periods that make up the Paleozoic Era |
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| the lower wall of an inclined fault. |
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| the ratio between the numbers of atoms of any two isotopes of a given element in a particular preparation, sample, or substance. |
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| the sand, gravel, boulders, or other debris transported by rolling or sliding along the bottom of a stream. |
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| the steepest slope at which a sloping surface with loose material stays in place |
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| the two sub-layers of the earth's crust (lithosphere) that move, float, and sometimes fracture |
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| tidal flow: the water current caused by the tides |
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| useless radioactive materials that are left after some laboratory or commercial process is completed. |
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| yellow combustible nonmetal. It occurs uncombined in volcanic and sedimentary deposits |
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