Download PDF by Peter Sonnenfeld: Brines and Evaporites

By Peter Sonnenfeld

ISBN-10: 0875907075

ISBN-13: 9780875907079

ISBN-10: 1118667549

ISBN-13: 9781118667545

About The Product

Published through the yank Geophysical Union as a part of the Short classes in Geology Series.

This direction is designed to give basic ideas and constraints of evaporitic mineral precipitation in numerous depositional environments, a dialogue of the focus of attendant accent accumulations of clastics, base metals and hydrocarbons, an built-in assessment of epigenetic alteration of evaporite deposits, and a scientific research of historical evaporite basin configurations.

These notes current case histories of present evaporite deposition within the desire that they are going to give you the keys to a greater figuring out of old salt basins.

The facts offered the following primarily depend on basins studied via the writer and his coworkers. even though this selection might seem a little bit restricted to a couple readers acquainted with classical types, the examples proven right here disguise the most present-day geological settings. in addition, observations on pre-evaporitic deposits have been additionally brought.


Show description

Read or Download Brines and Evaporites PDF

Best geophysics books

Download e-book for kindle: Faults and Subsurface Fluid Flow in the Shallow Crust by William C. Haneberg, Peter S. Mozley, J. Casey Moore, Laurel

Released by way of the yankee Geophysical Union as a part of the Geophysical Monograph sequence. This quantity deals a pattern of the variety of analysis on faults and fluid movement within the overdue Nineties. It describes exact floor and subsurface characterization of fault-zone constitution and diagenesis with implications for hydrology and petroleum geology; the function of faults in geothermal platforms; laboratory reviews of rock mechanics, permeability, and geochemistry of faults and fault rocks; and mathematical modeling of fluid movement via faulted and fractured rocks.

Fundamentals of Physical Geology by Sreepat Jain (auth.) PDF

Actual Geology is an unlimited topic and it's not attainable to hide all features in a single e-book. This e-book doesn't invent the wheel yet purely prepare units of up to date yet concise fabric on actual Geology with plenty of illustrations. All illustrations are created by way of hand and provides a true school room suppose to the publication.

John Scott Roy (auth.)'s Birddog: Philosophy and practice of seismic data quality PDF

This e-book describes the tools and attributes required for the compe­ tent qc of the knowledge acquisition of a seismic exploration team working on land. even supposing the ebook is worried mostly with explo­ ration for oil and gasoline reservoirs, and all of the subject matters which are mentioned in it are focused on that focus on, the cloth is acceptable to different parts of seismic exploration similar to civil engineering and the quest for different minerals.

Read e-book online Heat Generation and Transport in the Earth PDF

Warmth presents the power that drives just about all geological phenomena and units the temperature at which those phenomena function. This ebook explains the foremost actual rules of warmth delivery with easy actual arguments and scaling legislation that permit quantitative evaluate of warmth flux and cooling stipulations in quite a few geological settings and structures.

Extra resources for Brines and Evaporites

Sample text

Both the sylviteand the rinneitesuggest precipitationin a coveredbrine with no contact to the atmosphere. ,5 MgCI 2 ,'. ',, '• c: ... ,. :_• fluid inclusions • '7-, Fig. 8. Primary sylvite-carnallite relationship. Any hydrogensulfide in the brine wouldhave precipitatedpyrite. In nature, true primary bischofitehas so far not been documented. Bischofiteoccursin nature in Permian sulfatized potashhorizonsdue to an al- teration of carnallite by percolatingwaters. Here it is a secondaryprecipitate containing inclusions of kieseriteand anhydrite.

The swellingof clays decreases linearly with rising sodiumand potassiumconcentration, exponentially with magnesium concentration. Theequilibriumm of alumosilicates and seawaterlies at temperaturesabove25øC within the Mgochloritefield or below quartz saturation even down to a pH below 8. Iron is also leached out at the same time. The presenceof brucite pillars in the clay lattices representsthe best evidence for such a high pH. If epigenetic brines contain enough potassium, the clays eventually convert to illites.

That meansthat they do not representterminal depositsprior to completedesiccation, but are followed by precipitatesof a progressivelydiluting brine. Conversely, all major halite depositscontain some potashhorizons. The two primary potash minerals are sylvite and carnallite. Potassium-calcium and sodium-calcium chloridemineralsare not known;all K-Mg-sulfatesare of secondary origin due to the influx of oxygenatedmeteoric,continentalwaters that attacked either sylvite or carnallite. Secondary K-Ca-, Na-, and Na-Ca-sulfates and carbonates are also found.

Download PDF sample

Brines and Evaporites by Peter Sonnenfeld

by Daniel

Rated 4.29 of 5 – based on 9 votes