Last edited by Kaganris
Sunday, July 12, 2020 | History

3 edition of Shock and thermal history of iron and chondritic meteorites found in the catalog.

Shock and thermal history of iron and chondritic meteorites

Goldstein, Joseph

Shock and thermal history of iron and chondritic meteorites

final technical report, NASA NAG 9-45

by Goldstein, Joseph

  • 142 Want to read
  • 21 Currently reading

Published by Lehigh University, Office of Research and Grants, National Aeronautics and Space Administration, National Technical Information Service, distributor in Bethlehem, PA, [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Chondrites.,
  • Iron meteorites.,
  • Shock loads.,
  • Thermal stresses.

  • Edition Notes

    StatementJoseph I. Goldstein, principal investigator.
    SeriesNASA contractor report -- NASA CR-197125.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15410053M

    Stony-iron meteorites contain approximately even amounts of silicates and nickel-iron alloy, and are divided into two distinct groups: Pallasites and mesosiderites. Pallasites. Pallasites are believed to form between the silicate mantle, or outer shell, and molten metal core of a differentiated asteroid. In addition, all chondritic asteroids were affected by impact and shock processes due to collisions with other asteroids. These events caused a variety of effects, ranging from simple compaction to brecciation, veining, localized melting, and formation of high-pressure minerals. The net result of these secondary thermal, aqueous, and shock.

    iron nickel meteorite piece meteor specimen outer space rock asteroid pendant 3g $ METEORITE PIECE TEKTITE FRAGMENT IRON METEOR STONE SPACE ROCK ASTEROID COMET 5 g. These meteorites are thought to originate from the inner portion of the asteroid belt, between the orbits of Mars and Jupiter. Ordinary chondrites are primarily composed of the minerals olivine, pyroxene, and a small percentage of nickel-iron with various degrees of oxidation. Ordinary chondrites are classified into three groups according to.

    We have studied cloudy taenite, metallographic cooling rates, and shock effects in 30 H chondrites to elucidate the thermal and early impact history of the H chondrite parent body. We focused on H chondrites with old Ar-Ar ages (> Gyr) and unshocked and mildly shocked H. @article{osti_, title = {Meteorites: their record of early solar-system history}, author = {Wasson, J T}, abstractNote = {The dynamics and physical and chemical characteristics of meteorites (Ms) and their implications for the early history of the solar system are discussed in an introductory text for use in general college courses.


Share this book
You might also like
The parallel Bible

The parallel Bible

Coronaries Cholesterol Chlorine

Coronaries Cholesterol Chlorine

Mental health law

Mental health law

Kurdistan stories =

Kurdistan stories =

Business and sales taxation in the Republic of Ireland.

Business and sales taxation in the Republic of Ireland.

Space

Space

Success

Success

Julie Chan is Missing

Julie Chan is Missing

Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota

Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota

Family Pride

Family Pride

Report of the Commissioners of the Canal Fund.

Report of the Commissioners of the Canal Fund.

bicentennial history of Chestnut Grove Baptist Church, 1773-1973

bicentennial history of Chestnut Grove Baptist Church, 1773-1973

Shock and thermal history of iron and chondritic meteorites by Goldstein, Joseph Download PDF EPUB FB2

Iron meteorites were historically used for their meteoric iron, which was forged into cultural objects, tools or the advent of smelting and the beginning of the Iron Age the importance of iron meteorites as a resource decreased, at least in those cultures that developed those techniques.

The Inuit used the Cape York meteorite for a much longer ition: Fe, Ni & Co (>95%), Ni (5–25%). Get this from a library. Shock and thermal history of iron and chondritic meteorites: final technical report, NASA NAG [Joseph Goldstein; United States. National Aeronautics and.

Meteorite - Meteorite - Alteration processes: Few if any chondrites have remained completely unaltered since they formed as part of their larger parent asteroids.

Four processes have modified the chondrites to varying degrees: aqueous alteration, thermal metamorphism, shock, and brecciation. Soon after the chondritic parent bodies were formed, they were all heated to some degree. The complex brecciation and shock history of amphoterite (LL-) chondrites is well reflected in their diverse natural magnetic remanence (NRM) behavior: Most LL-chondrites have a multicomponent.

1. Introduction. Recent studies have argued that the iron meteorites, like stony-irons and achondrites, come from solar system bodies that melted allowing mm-sized and smaller metal and silicate grains in chondrite material to segregate into much larger domains (e.g., Krot et al., ; Weisberg et al., ).According to the textbooks, iron meteorites are derived from over 50 bodies that were Cited by: Mercury Abundances and Thermal History of Meteorites] G.

REED and S. JOVANOVIC Chemistry Division, Argonne National Laboratory, Argonne, Illinois Abstract Some aspects of the thermal history of chondritic meteorites have been examined from the point of view of the Hg concentrations and release on heating.

This is a monumental book in three volumes containing pages, figures, eight appendices and a supplement. Volume 1 provides a general introduction to meteorites, fireballs, and impact craters and to the mineralogy, composition, and properties of iron meteorites.

It also contains appendices of information about iron meteorites. Thermal and shock history of mesosiderites and their large parent asteroid. Non-chondritic meteorites from asteroidal bodies. In Planetary Materials (Reviews in Mineralogy, Stony-iron meteorites: History of the metal phase according to tungsten isotopes.

Meteorite research is fundamental to our understanding of the origin and early history of the Solar System. Some meteorites were produced by melting on asteroids, a few are from the Moon and others are martian.

Their study yields a chronology of the first million years of Solar System history and provides evidence that our Sun went through a highly radiative, T Tauri stage. Next book. This one is out of print.

Out of the Sky: an Introduction to Meteoritics, by H H Nininger, and this one – it isn’t actually mine, it’s the department’s, but I love it – was printed in The first time meteorites were actually seen as objects that were not from this Earth and worthy of scientific study was in the late s, early s, so we’ve only been doing it for.

The technique of neutron activation and γ counting on a lithium‐drifted germanium semiconductor detector has been used in measuring concentrations of cobalt, copper, arsenic, gallium, iridium, and gold in 33 iron meteorites.

Similar data on 25 other iron meteorites are available in the literature. These meteorites are grouped according to. Book Chapter Chondritic meteorites and early solar system solids Author(s) Ian S.

Sanders However, by 2 Myr after CAIs, to judge from W deficit dating of iron meteorites, much of the dust in the disk had already evolved into a host of substantially molten planetesimals intensely heated by the decay of 26Al.

Planet-forming mergers between. Their emphasis on very fine quality, visually attractive iron meteorites, including silicated irons and mesosiderites, is obvious when scanning through the numerous color photographs in the book. The Killgores also have a significant reference collection of thin sections of meteorites, and many of these are pictured in the book in full color.

iron meteorites iron meteorites iron meteorites iron meteorites iron meteorites Page B13 22 25 31 50 52 57 57 60 69 71 77 84 85 91 91 94 94 97 TABLES Page The common minerals of meteorites ___ B2 3 6 TABLE 1.

Classification of meteorites _____ 3. Chemical analyses of chondritic meteorites __ 4. Petrologic types of chondrites _____ 9 5. However, if it occurred early in the history of the Solar System, then the observed difference in the duration of peak shock pressures between chondrites and martian meteorites would be.

On the early thermal history of chondritic asteroids derived by Plutonium fission track thermometry. In Delsemme A. (ed.), Comets, Asteroids, Meteorites. Proceedings of the Thirty-ninth International Colloquium, Lyons, France, August 17–20, We review the crystallization of the iron meteorite chemical groups, the thermal history of the irons as revealed by the metallographic cooling rates, the ages of the iron meteorites and their.

It is evidence that iron meteorites called from molten material very slowly. What are some physical characteristics of stony iron meteorites. What is another purpose that chondritic meteorites serve. They give us a very good estimate for the composition of the nebula that formed our solar system.

Stony-Iron Meteorites. The least abundant of the three main types, the stony-irons, account for less than 2% of all known meteorites. They are comprised of roughly equal amounts of nickel-iron and stone and are divided into two groups: pallasites and mesosiderites.

IRON METEORITES Their History, Distribution, Composition and Structure by detailed concern with the book design and the staff and editorial review committee of Shock-Induced Solid-State Transformation Shock-Induced Melting. Meteorites have nickel iron metal in them. Native or free metallic iron is very rare on Earth.

Our weather and abundant oxygen turn iron into rust very quickly. So iron is nearly always found in terrestrial rock as iron bearing minerals not metal.

The early investigators also found the round structures called chondrules in many of the meteorites.The metallographic cooling rate method revised t Y a I- 2 W n.

5 t- Ni CONTENT (wt. %) FIG. I. Fe-Ni phase diagram (Yang et al., ).On this diagram, a represents a low-Ni bcc phase, y represents a high-Ni fcc phase, yl represents a low-Ni paramagnetic fcc phase, y2 represents a high-Ni ferromagnetic fcc phase, y' represents ordered Ni3Fe, y" represents.the thermal and igneous histories of irons, and finish with conclusions about the possible origins and forma-tion of their parent bodies.

2. Composition, structure, and chemical groups of the iron meteorites Composition and structure Iron meteorites are Fe–Ni alloys containing minor amounts of Co, P, S, and C.

The Ni content varies from.