• Aucun résultat trouvé

Stratigraphie haute résolution en plaine sous-marine: application au bassin maghrébin (Crétacé supérieur à Oligocène, Algérie du Nord)

N/A
N/A
Protected

Academic year: 2022

Partager "Stratigraphie haute résolution en plaine sous-marine: application au bassin maghrébin (Crétacé supérieur à Oligocène, Algérie du Nord)"

Copied!
1
0
0

Texte intégral

(1)

Bulletin du Service G éologique de l

'

Algérie Vol

.

5

,

n

°

2

,p. 189

-

195,3

f ï

g.,1994.

Stratigraphie haute r é solution en plaine sous - marine :

application au bassin maghr ébin

( Cr étac é sup érieur à Oligocè ne, Algé rie du Nord )

Mohamed Khemis BAGHLI

*

, Michel HOFFERT Mohamed Mouloud MOUHOUBI

Institut AlgérienduPétrole

-

Départementde Géologie,35 000 Boumerdès,Algérie

** UniversitéLouisPasteur

-

Institutdeologie,Laboratoirede GéodynamiqueSédimentaire, 1 Rue Blessig,67 084StrasbourgCedex,France.

Résumé:Cetravail nous a permis d observer unecorrespondance entrelescoupuresdonnéesparlabiostratigraphie,

létudedessystèmesdedépôts ouappareilssédimentaires,cestà direla lithostratigraphieet lanalyseséquentielleque nous avons effectuée. Autrement dit, il y a une relation entre la lithostratigraphie, la biostratigraphie et l’analyse séquentielle.Ainsi,la stratigraphie séquentiellen’est pluslimitée aux seuls dépôtsde plate

-

forme,maiss’applique aussi aux dépôtsprofonds.Elleest appliquée icipour lapremière foisdanscettesériede type flysch.

Mot

*

Clé

*

:Stratigraphieséquentielle

-

Séquencesemboîtées- Paraséquences

-

Sérieflysch

-

Bassinmaghrébin

-

Algérie

du Nord.

High resolution stratigraphy in submarine plain: applying to the Maghrebian basin (Upper Cretaceous to Oligoc

è

ne, Northern Algeria

)

.

Abstract:Thisworkhassetacorrespondance betweenthebiostratigraphicunitsandthe deposit systems orsedimentary bodies, that meansthe lithostraligraphy and the sequenceanalysis we have

done. Inother way,thereisacloserelationbetween lilhostratigraphy,biostratigraphyand sequenceanalysis.Then,the sequence stratigraphyisno longer restrictedtoplatformdeposits only,but also applies todeep

-

water deposits.Itis here appliedfor the first time is thisflysch

-

typeseries.

Key Word

*

:Sequencestratigraphy

-

Enclisedsequence -Parasequence

-

Flyschseries

-

Maghrebian bassin

-

Northern

Algeria.

Références

Documents relatifs

In addition to the lithological character of these deep marine deposits, the MFS (end of the middle to late Tortonian) is also characterized by the

the addition of sodium in glazing mixture increases the calcium diffusion from the body into the glaze, the calcium profiles are plotted only in the case of application of

These deposits combine with elementary cycles or cycfic rinrwary sequences , which in their turn fit into superior order cycles.. Turbidites and megaturbidites as well as the

(2) The probabilistic techniques used in this paper to solve the A(p) problem have some applications to Garsia's conjecture (see [G]) on the rearrangement of finite

This would take away our basis of reasoning: instead of finding one set of patterns that describes well the entire set of databases, we would end up with multiple (possibly

Abstract: Cordilleran or Butte type polymetallic mineralization in a porphyry-related setting is known in numerous districts. Most of it is largely epithermal, is found

This handbook is a guide to setting computer security policies and procedures for sites that have systems on the Internet (however, the information provided should also be

The optional javaCodebase attribute is used to store the locations of the object factory’s and the object’s class definitions.. A directory entry containing a JNDI reference