Igneous Rocks Tour: An Educational Site of Igneous Rocks [Igneous_Rock_Tour-00] This web site is designed to allow users to learn about igneous rocks using ...
NASA Website
three different types of rocks: igneous, metamorphic, and sedimentary. ... magma , igneous rocks, sedimentary rocks, and metamorphic rocks ...
Igneous and Metamorphic Rocks Geology 200 Geology for EnvironmentalGeology for Environmental Scientists #12;Part 1, Igneous Rocks, g #12;Magma Compositions � Ultramafic - composition of mantle � Mafic � Intrusive igneous rocks - magma that solidifies below the surface ...
E-print Network
This website provides a tour with photographs and descriptions that teaches the user about different kinds of igneous rocks such as intrusive igneous rocks, granite, deorite, gabbro, extrusive igneous rocks, rhyolite, andesite, and basalt. At the end of the tour, the user ...
NSDL National Science Digital Library
... phic rocks. The igneous rocks are a subset of the rocks used ... sentative. The igneous rocks, considered as a group, show surprisinqly little variation - ...
DTIC Science & Technology
... rocks are folded, faulted, overturned, or intruded by igneous rocks, it is still possible to determine the relative ... formation, whether it is the crystallization of an igneous rock, the...
NBII National Biological Information Infrastructure
Igneous - rock formed when magma cools and hardens either below the surface (for ... The Moon's surface is dominated by igneous rocks. ...
Geochemistry of Igneous Rocks: Geokem, The Geochemical Data Analysis Programme ... their fractionation paths, their distributions in major rock ...
From the Department of Geological Science at California State University, Long Beach, the Igneous Rock Tour provides an introduction to igneous rocks with explanatory text and images of small samples and "rock outcrops in their natural settings." The tour covers Intrusive ...
May 2, 2011 ... Abstract: This web site is designed to allow users to learn about igneous rocks using the provided information and images of hand samples ...
... The porosity of those rocks, which includes crystalline igneous and metamorphic ... rocks and vesicular igneous rocks, principally differ from the rocks ...
... igneous rocks of uncertain origin, Metagabbro and metapyroxenite CZt - Metavolcanic and meta-igneous rocks of uncertain origin, ... ...
... INTACT IGNEOUS ROCKS ARMY ENGINEER WATERWAYS EXPERIMENT STATION, ... CORRELATIONS FOR INTACT IGNEOUS ROCKS IR. ...
Simulant Development: Igneous Rocks. The figures and information in this section are extracted from or redrawn from the IUGS Subcommission on the ...
... (Author). Descriptors : (*IGNEOUS ROCK, *BIBLIOGRAPHIES), MOON, VOLCANOES, BASALT, GRANITE, QUARTZ, FELDSPAR, CLAY MINERALS ...
Geochemical and Geochronological Studies of Igneous and Metamorphic Rocks of the Northern Prince Charles Mountains [ASAC_154] ...
Anorthosite: an igneous rock made up almost entirely of plagioclase feldspar. .... Igneous: rocks or processes involving the formation ...
... which have been intruded by igneous rocks. The overlying sed- ... igneous rocks and metamorphosed sediments. These crystalline ...
A detailed set of images that provide background for the study of igneous and metamorphic minerals, rocks and textures.
Geochemistry of Igneous Rocks: Geokem, The Geochemical Data Analysis Programme Entry ID: GEOKEM ... a brief description of all volcanic and igneous centres ...
This page contains information on exactly what a rock is, as well as a diagram of the rock cycle. Topics include: characteristics of rocks, types of rocks, igneous rocks, metamorphic rocks, and sedimentary rocks.
The bidirectional reflection spectra of 39 igneous intermediate rocks are presented from 0.325 to 2.5 micrometers. Their spectra are discussed and compared with those of igneous acidic rocks. As with the acidic rocks, the spectral features occur as a cons...
National Technical Information Service (NTIS)
This interactive lesson on igneous rocks begins with a comparison of intrusive and extrusive igneous rocks with diagrams to show their origin. This leads to a discussion of intrusive rock formations including dikes, sills, laccoliths and batholiths and a block diagram to show their location. ...
The igneous rock study plays an important role in understanding the tectonic evolution of sedimentary basins. The distribution of igneous rocks is one of the basic aspects in the igneous rock study. Based on the magnetic susceptibility contrast of ...
NASA Astrophysics Data System (ADS)
... Igneous Rocks Rock of molten origin that has been injected into existing rock and solidified without ... Lopolith a large, lens-shaped igneous intrusion. ...
... forms of silica found in igneous rocks such as andesite and rhyolite. ... (3) More then 3% glassy igneous rocks in rhich any zcid or internedi- I! ...
[Wikipedia] Volcanic rock (or lava) characteristically medium dark in color and .... Igneous intrusion - A laccolith is an igneous intrusion (or concordant ...
This activity is designed to provide students with the opportunity to analyze the textures of various igneous rocks and use these textures as a basis for classification and identification. Students will develop visual identification skills for the common igneous rocks and learn that igneous ...
... Accession Number : ADA025598. Title : Weathering and Weatherability of Rocks. Experiments on Thermal Fatigue of Non-Igneous Rocks. ...
... SAMPLING, CLAY, CALCITE, HARDNESS, STRUCTURAL GEOLOGY, COMPRESSIVE PROPERTIES, ROCK DRILLING, MAINE, IGNEOUS ROCK ...
... rock sequences (sedimentary rocks) including those hosting or admixed with volcanic igneous rocks (lavas, tuffs, volcanic breccias, and volcano ...
... STRESSES, EQUATIONS OF STATE, DEFORMATION, MEASUREMENT, IGNEOUS ROCK, STRAIN(MECHANICS), SEDIMENTARY ROCK ...
... The gravity dam section is underlain by igneous rock, which ranges from granodiorite to quartz diorite. The rock is medium ...
... Descriptors : *ROCK MECHANICS, *SEDIMENTARY ROCK, *IGNEOUS ROCK, TEST AND EVALUATION, COMPRESSION, VELOCITY, STRESS ...
Proposes that identification keys provide an orderly strategy for the identification of igneous and metamorphic rocks in an introductory geology course. Explains the format employed in the system and includes the actual key guides for both igneous and metamorphic rocks. (ML)
ERIC Educational Resources Information Center
Spirit Discovers New Class of Igneous Rocks. 08.24.06. Spirit Discovers New Class of Igneous Rocks. During the past two-and-a-half years of traversing the ...
The basic petrographic, chemical, and age data is presented for a representative suite of igneous rocks gathered during the six Apollo missions. Tables are given for 69 samples: 32 igneous rocks and 37 impactites (breccias). A description is given of 26 b...
Rocks are the most common material on earth. We will learn about the parts that make up the rocks and sort rocks based upon color, hardness, texture, layering, and particle size. Click on each of the links below to learn about the main types of rocks and then answer the questions that follow. ...
... (n/a), Tertiary igneous rocks, Tertiary igneous rocks predominately found on the surface. The influence of topography on soil formation is pronounced. ...
... between the Bragdon Formation (described below) and intrusive igneous rocks are host to the Mad Mule and Truscott ... Dam quadrangle and into the Whiskeytown quadrangle. Here igneous rocks of ...
Rubidium-strontium isotope measurements of Lemumbo igneous monocline associated acid and basic rocks
NASA Technical Reports Server (NTRS)
... Removed : (n/a) Geologic Characteristic : Tertiary igneous rocks Additional Information : Tertiary igneous rocks predominately found on the surface. ...
... porosity, crystalline, igneous rocks in which the initial damage is ... The igneous rocks have yield strengths in excess of 2 GPa while the ...
... series of igneous rocks that range from is shown on the map in Fig. 3. Liesnoi gabbro to granite. ... ments and intrusive igneous rocks. West direction. ...
... material; one of the three main classes or rocks: igneous, metamorphic, and sedimentary. intrusion. A body of igneous rock that invades older
Life in igneous rocks on Earth and Mars Presenter: Martin Fisk () November 29, 2005 02:30 PM Pacific. Microbes are found in and near microtunnels in a ...
Aug 24, 2006 ... The abundance of potassium and sodium determines the kinds of minerals that make up igneous rocks. If igneous rocks have enough silica, ...
This is a practice exam from a college-level geology course. The questions include the topics of igneous rocks and their texture, and volcanism types. The exam corrects as it is completed.
These animations features microscopic views of igneous crystals forming under different cooling conditions and examines the relationship of the resulting texture of each rock to its cooling rate.
The Ridge PetDB is a petrological database of igneous rock samples collected on the ocean floor. It is a project funded by the National Science Foundation ...
... Sedimentary and Igneous Rocks at Low Temperatures Plyush K. Dufta and KunsoO Kim ... Sedimentary and Igneous Rocks at Low Temperatures ...
Distribution of igneous rocks in Medina and Uvalde Counties, Texas, as inferred from aeromagnetic data Complete publication (PDF) F...
... Title : Tests of Rock Cores, Plattsburgh Study ... ROCK, *LITHOLOGY, *CORE SAMPLING, SHEAR ... PROPERTIES, ROCK DRILLING, IGNEOUS ROCK ...
... Title : Tests of Rock Cores, Pembine Study ... ROCK, *LITHOLOGY, *CORE SAMPLING, SHEAR ... WISCONSIN, ROCK DRILLING, IGNEOUS ROCK ...
... Title : Tests of Rock Cores, Duluth-Vermillion ... ROCK, *LITHOLOGY, *CORE SAMPLING, SHEAR ... MINNESOTA, ROCK DRILLING, IGNEOUS ROCK. ...
This web page offers a simple illustrated guide to the three rock types- igneous, sedimentary, and metamorphic; and the most common rock-forming mineral groups: quartz, plagioclase feldspars, potassium feldspars, micas, amphiboles, olivine, and calcite. The rock types include extrusive and intrusive ...
This course provides an introduction to and application of phase chemistry to igneous rocks, and the common mineral associations in classes or groups of igneous and metamorphic rocks. It also addresses igneous rock forming processes, and attempts to predict where ...
Midinfrared (6 to 40 micrometers) spectra of igneous rocks and rock-forming minerals are presented. Molecular vibration bands are identified, and the extent of spectral scatter among different samples of the same rock type is illustrated. Conclusions are ...
The regional distribution and tetonic setting of alkaline intrusive igneous rocks in Alaska are described. A map of granitic rocks in the state is included.
The regional distribution and tetonic setting of alkaline intrusive igneous rocks in Alaska are described. A map of granitic rocks in the state is included. (LK)
Energy Citations Database
In this section, see close-up pictures of the major rock types and learn about where different types of igneous rocks are formed, what style of magmatic activity is associated with each type of magma, and what rock types are melted to form each of these magma compositions.
This page presents a classification system used for igneous rocks. The system consists of a matrix which divides rocks on the basis of their texture (in rows) and their chemical composition (in columns). Links are provided to photographs of each rock type, and an explanation of the terms used in the classification.
Student teams will test rocks to identify and record rock properties such as luster, hardness, color, etc., and classify rocks as igneous, metamorphic and sedimentary. They will complete a worksheet table with all of their rock properties, and then answer some worksheet questions to deepen ...
... igneous rock with a low content (40% to 50%). Rich in iron, magnesium, and calcium. Most of the ocean floor ... ...
igneous meteorites that are like no other rocks anywhere. Their ages are ancient, and their mineralogies are strange. The deciphering of this meteorite group is ...
... RADIOACTIVITY, MINERALS, GEOCHEMISTRY, IGNEOUS ROCK, RADIOCHEMISTRY, DECAY SCHEMES, INSTRUMENTATION, THORIUM, ...
... EARTH ELEMENTS, LANTHANUM, EUROPIUM, DYSPROSIUM, IGNEOUS ROCK, NEUTRON ACTIVATION, GRANITE, BASALT, PETROLOGY. ...
... stones, and limestones but occurred in competent igneous and metamorphic rocks such as andesite, granite, and gneiss. ...
Over 400 oriented cores of Permian, Triassic, Jurassic, and Cretaceous sedimentary and igneous rocks
... SEDIMENTARY ROCK, DEPOSITION, GEOLOGIC AGE DETERMINATION, SANDSTONE, CLAY, GRANITE, VOLCANOES, DEPOSITS, IGNEOUS ...
... MEASUREMENT, NEVADA, VOLCANOES, IGNEOUS ROCK, EXPLOSIONS, SEISMOLOGICAL STATIONS, EARTHQUAKES, MICROSEISMS ...
Resistivity changes, ground potentials, electromagnetic (EM) and luminous signals prior to or during
... in �lvdalen, Sweden. At this site, the geology consisted mainly of intrusive igneous rocks. The underground facility was ...
... Title : Tests of Rock Cores, Pease Study ... ROCK, *LITHOLOGY, *CORE SAMPLING, SHEAR ... NEW HAMPSHIRE, ROCK DRILLING, MICA, IGNEOUS ...
Use this rock cycle animation to help you learn about igneous, sedimentary, and metamorphic rocks. You will learn how weathering, heat, pressure, and crystallization all factor into rock formation.
This resource from the University of Saskatchewan contains general information on the major rock groups: igneous, metamorphic and sedimentary. Describes the rock cycle and the properties and formation of each major rock group.
rock types are connected by the rock cycle model, first recognized by James Hutton. In this model, all
Wood burned in a fire is converted to ash and cinders. This could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock
Adding layers of ingredients to build a sandwich could be viewed as an analog for the formation of a. igneous rocks b. metamorphic rocks c. sedimentary rocks.
Grapes dried slowly in a warm oven are converted to raisins. This could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock.
Cooking an egg could be seen as an analog for the formation of a. igneous rock b. metamorphic rock c. sedimentary rock.
are all igneous rocks with only slight evidence of water and desiccated salts. There is only slight evidence that some of these rocks may contain small ...
... To decrease the number of variables, the tests were limited to igneous rocks of various grain sizes and compositions. As ...
... 51 and 52)--where the compressibility of most igneous rocks, including diorite, was found to be essentially independent of pressure--the principal ...
... between ditferent rock type,, in both igneous and bedding planes, and an interface between adjoining sedimentar\\ rocks. ...
... State. The original rock was sedimentary with large intrusions of igneous rocks (anorthosites, granites, gabbros). Much ...
... analyses of these intrusions have progressed well and led to several published papers. Descriptors : *Igneous rock, *Intrusion, Geology, Rock ...
... collision events. CAMBRIAN AND PROTEROZOIC Metavolcanic and meta- igneous rocks of uncertain origin;, ultramafic rocks (CZu); metavolcanic ...
... aggregated, soft, or liquid earth materials become firm and coherent rock; specif, the solidification of a magma to form an igneous rock, or the ...
... Pertinent information on radiometric ages for intrusive and volcanic igneous rocks, and for metamorphic rocks are tabulated and maps summarize ...
Textural interpretation and mineralogy of terrestrial basalts and cumulate rocks, and similarities with extraterrestrial analogs are presented. (Author)
This cutaway view of Earth shows where some common rock-forming processes occur. Embedded animations will illustrate the path of a rock moving through the rock cycle. Topics include: rock cycle, magma chamber, magma, igneous rock, sedimentary rock, ...
... H. Storsve. A cone-shaped mass of igneous rock standing alone 1,300 feet above the surrounding plains, Bear Butte illustrates the geological processes of igneous intrusion, folding and f...
A compilation of references is presented providing background information on rock and mineral associations, geochemistry, geophysics, structural relationships, and geochronology of sialic, feldspathoidal, and some mafic alkalic igneous rock exposures in t...
The rare earth elements (REE) distribution patters in igneous rocks of the Serra do Carambei Granite area (Parana) were a very important tool to elucidate the genetic processes and the cogenetic relationships between these rocks. The porphyroid facies of ...
Through a simple Flash roll over, view hand specimens of different igneous rocks classified according by texture and chemical composition. There are also views of the more common rock forming minerals. Expect long loading times.
Precambrian and Cambrian igneous rocks and Pennsylvanian-Permian sedimentary rocks in southwestern and southern Oklahoma are related genetically in that the former, by means of tectonism, was the dominant source material for sediments composing a substant...
This website contains a set of lessons on how to identify igneous rocks using their textures, minerals, and physical properties. The student, working with rock samples and tools supplied by the teacher, will be able to identify some igneous rocks and will be given access to more information on ...
This site, part of Exploring Earth Investigation by McDougal Littell and TERC, examines how igneous rocks form. The investigations "were designed to build students' knowledge of Earth Science concepts�and to raise student awareness of Earth as a system of interconnected components and processes." Here, visitors can find lessons on different types of ...
A compilation of references is presented providing background information on rock and mineral associations, geochemistry, geophysics, structural relationships, and geochronology of sialic, feldspathoidal, and some mafic alkalic igneous rock exposures in the US. Their locations and major characteristics are cited. No implication ...
This report presents all petrographic, major oxide, and trace element data for a set of 109 samples collected during an investigation of Jurassic igneous rocks in the Bald Mountain mining district, Nevada. Igneous rocks in the district include the Bald Mountain stock, quartz-feldspar porphyry dikes, basaltic ...
USGS Publications Warehouse
The recent suggestion that the Sudbury Igneous Complex (SIC) is a fractionated impact melt may have profound implications for understanding the lunar crust and the magmatic history of the Moon. A cornerstone of much current thought on the Moon is that the...
In this inquiry-based activity, students use the scientific method to classify igneous, metamorphic, and sedimentary rocks.
A crumpled (folded) assemblage of thin rock layers seen in an outcrop; scale ... the craton) and are composed of metamorphic rocks mixed with igneous rocks. ...
Our World: The Rock Cycle Find out how rocks brought to Earth by the Apollo astronauts have helped NASA learn more about the rock cycle. Compare igneous ...
This dataset includes and supersedes rock data formerly released as "Geochemistry of igneous rocks in the US extracted from the PLUTO database". To zoom in, hold shift key and...
Science.gov Websites
Numerous rock samples were analysed by anisotropic magnetic susceptibility ... Theme_Keyword: EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS > IGNEOUS ROCKS ...
... Igneous rocks such as the granitic and basaltic types are the most difficult to rip because they lack the stratification and c' needed to rip hard rock. ...
This is a classroom activity in which students develop understanding of the rock cycle using wax crayons to model the processes that form the 3 types of rock; sedimentary, igneous & metamorphic.
Apollo Program, correlation, Culpeper Basin, diabase, igneous rocks, lunar samples, Moon, plutonic rocks, simulation, United States, Virginia ...
This Windows to the Universe interactive site investigates the rock cycle and illustrates that over millions of years, rocks are recycled into other rocks. Topics: rock cycle, igneous, metamorphic, sedimentary, plate tectonics, and geologic time.
Data on the distribution of rare elements and isotopes of light elements in igneous rocks of the earth's crust and in various types of meteorites, as well as data on the zone melting of the silicate fraction of chondrites and other silcates, are used for the clarification of the genesis of various meteorite types as compared with the ...
The geochemistry of igneous rocks is discussed, with the primary objectives of bringing together the theories underlying the kinetics of crystallization of igneous rocks and illustrating the use of these theories in understanding experimental and observational data. The primary purpose of the chapter is to ...
Decades of field and microscope studies, and more recent quantitative geochemical analyses have resulted in a vast, and sometimes overwhelming, array of nomenclature and terminology associated with igneous rocks. This book presents a complete classification of igneous rocks based on all the recommendations of the ...
This site explores igneous rocks in-depth through descriptions and pictures. The formation and distribution of this rock type are covered, as well as magma types associated with them (mafic to felsic). Classification of igneous rocks covers their texture and composition, including the ...
The bidirectional reflection spectra of 22 basic and 6 ultrabasic igneous rocks are presented from 0.325 to 2.5 micrometers. Their spectra are discussed and compared with those of acidic and intermediate igneous rocks. The usefulness of visible and near-i...
This site explores two kinds of igneous rock, pumice and granite. Pumice is an example of extrusive igneous rock, while granite is an example of intrusive igneous rock. Intrusive indicates that the magma was forced close to the surface, but then cooled more slowly ...
This introduction to the rock cycle features an introduction to the three major rock types (igneous, sedimentary, metamorphic) and a simplified diagram of the rock cycle. Links provide access to more detailed information, featuring examples, descriptions, and photographs of each type. Igneous ...
Aug 1, 2002... Standard Brass Disk, 7080 1988, Punch Mark, 1/1/88, Tertiary igneous rocks, Tertiary igneous rocks predominately found on the surface. ...
A special demagnetizing apparatus was constructed to study the stability of several samples of basic igneous rocks from three localites in eastern Australia, particular emphasis being placed on the reliability of the directions of NRM. The direction of pr...
A semi-quantitative spectrographic technique based on Harveys'method, using background radiation as internal standard is described for the analysis of trace elements in igneous rocks by the total energy method. A certain amount of the sample was completel...
The Ridge PetDB is a petrological database of igneous rock samples collected on the ocean ... 40Ar/39Ar dates of Jurassic igneous rocks from Antarctica ...
Investigations Report 2007-5191 >> Pubs Warehouse > SIR 07-5191 Distribution of Igneous Rocks in Medina and Uvalde Counties, Texas, as Inferred from Aeromagnetic Data...
The primary objectives of this report are to list known radioactive occurrences in veins and igneous and metamorphic rocks in New Mexico, and to provide an annotated bibliography of geologic reports concerning these regions. Only plutonic, metamorphic, ve...
The objective of the work reported herein was to obtain references on studies pertaining to Igneous Rocks, which are of volcanic origin and may be found on the surface of the moon. Corporate Author/Monitoring Agency, Subject, Personal Author, Contract and...
While working in groups to facilitate peer tutoring, students use samples of four igneous rocks (gabbro, basalt, granite, and rhyolite) to observe differences in texture, color and grain size and make inferences about the relative cooling histories and silica content associated with each magma type.
Igneous rocks in the South China Sea have broad prospects for oil and gas exploration. Integrated geophysical methods are important approaches to study the distribution of igneous rocks and to determine and identify igneous rock bodies. Aimed at the characteristics of ...
... formed on alluvium derived primarily from coarse-grained igneous rocks and deposited in relatively high-gradient environments. Surface ... in a granitic sand matrix derived from intrusive igneous rocks of...
Data presented in this report pertain to the geochemistry of igneous rocks that constitute the southern segment of the ancestral Cascades magmatic arc and were compiled as part of the Mineral Systems of the Ancestral and Modern Cenozoic Cascades Arcs and ...
We use a data set of 100 igneous rocks to assess LIBS instrument performance by degrading spectra, either by increasing peak widths (simulating misalignment) or decreasing the spectral amplitude (decreases in SNR).
If shergottite, nakhlite, and chassignite (SNC) meteorites are rocks propelled to earth by large meteoroid impacts on Mars, then it is possible to deduce much about Martian igneous petrology and geochemistry. Because SNCs are igneous rocks, however, it wa...
This interactive rock cycle shows students how all rock types are recycled into other types, and how the cycle progresses. Materials include the definitions of each rock type (igneous, sedimentary, metamorphic), how they change over time, and how tectonic movements help to drive the process.
The site, presented by About.com, categorizes and lists a plethora of different rocks. They have divided them by their rock structure: igneous, sedimentary, and metamorphic. Under each category are a list of different rocks and a link to an image, and description, of the rock.
Optional GEOL 103 Writing Assignment: Igneous Rocks and Processes 1) Assuming the original magma compositions are the same, explain how an intrusive and an extrusive rock from a magma would differ. Use, and how a rock with each of these compositions would form. Intrusive rocks would have larger ...
