Volume 1

Algeria / [prepared under the direction of K. Mason].

  • Great Britain. Naval Intelligence Division
Date:
1943-1944
Catalogue details

Licence: Public Domain Mark

Credit: Algeria / [prepared under the direction of K. Mason]. Source: Wellcome Collection.

    381/386 (page 319)
    BARBARY WITH THE TERRITOIRES DU SUD lo° 50. 0° ee i 5° 1D Sie Bx Taking S Ce x) ee Wi Casablanca, A | ¥ RY wes SY Pa Sa - . Touggourt .° x. . ae ‘ i} bu ~ =r ra ala Ta a Se ea |e: JIS . oA ane . 5 ——— Ae GG ~ ate Beni Abbés. - See eine , a 20 25 c eo ane 4 ALAS ~ —— ee on eg Of Ff Lf iF Off ST REN Sf JV ORE NR A AA LN a ee Superficial sands, gravels, alluvium, etc.__________-------~------------ Tertiary continental sandstones, etc.._______.-------------------- Miocene and Pliocene marine beds __.__________.----------------- Eocene and Oligocene marine beds_..______.-__.------------------- L Gretaccous: marine DedS=- aE =>. 5 oe eens te eee een Cretaceous continental beds (including Jurassic in the Sahara) Jurassic clays and limestones. —- - ------------------------------- Permian and Triassic sandstones, Marls, salt, etc... _..._._----------------- Carboniferous marine limestonss, sandstones, etc.__.______-------------- Note: Although Quaternary beds are wide- ©| Devonian sandstones, marine linestones, etc._________.--------------- spread on plains and plateaux, ‘‘solid’’ ' a = os [O_O 0 | 26 Ordovician and Silurian sandstmes and shales__________..__----------- [a a 4] formations are shown where possible. iA Ls Miles Palaeozoic beds (? Cambrian inpart), often with ancient igneous rocks _ __ __ ___ : és Ve ae 100 Less altered Pre-Cambrian schiss and quartzites (? with Cambrian)______~_____ Volcanic rocks, mainly post-Cretaceous ______--_--_-------~--- . . fp ee eS eee Ate O 200 ; x: OO Aychacataere-Cam brian compl ME as — oases bone season a eee aae Intrusive rocks, mainly-Pre-Cambrian and Palaeozoic oa ee s =e Joe 5° ; } ; O°? This map is compiled mainly from the Atlas des colonies frangaises, protectorats, et territoires sous mandat de la France (Paris 1932) and the Carte géologique internationale de l’ Afrique, feuille no. 1 (1/5,000,000) (Paris, 1936), but recent work and unpublished infomation: have also been taken into consideration. In some instances symbols do not fully represent local geology: they are intended to give an interpretation of the region as a whole,