Mapa Morfoestrutural do Ceará

Prévia do material em texto

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A•ude
Oros
Iguatu
Crato do Norte
Juazeiro
1 001 Breijo Santo
rio do Peixe 
A•u
rio
 C
ar
m
o
C H A PA D A D O
A P O D I
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do Norte
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do Acaraœ
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RA
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1 080
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1 154
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RA 
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AST
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Juazeiro do Norte
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Jaguaribe Gangorra
Pau dos
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Tabuleiro
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Cascavel
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DIAS
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SERRA
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MARANGUAPE
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A P O D I
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DO
FEIJÃO
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RA
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LIX
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869
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(1 124)
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(590)
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BACIA DO CEARÁ 
Alto de Fortaleza
O C E A N O AT L Â N T I C O
BACIA POTIGUAR
Ponta Grossa
Peroba
Ponta do Mucuripe
Acude
Araras
Açude
General
Sampaio
Açude
Orós
Açude
Piranhas
Açude
Mãe d'Agua
Açude Riacho
da Sangue
2 000
2 000
2 000
400
400
400
2 00
0
Mapa morfoestrutural do Ceará e áreas adjacentes 
do Rio Grande do Norte e da Paraíba
A morphostructural map of the Ceará State and adjacent areas of Rio
Grande do Norte and Paraíba (Nprthern Brazilian "Nordeste")
Linha de costa
Coast line
Topografia
Topografia
Rios
Rivers
Isóbatas (fathoms)
Isobaths (fathoms)
Pontos mais elevados
Peak and other summit,
with altitude
Contorno de 600 m
600 m contour 
Superfície acima de 600 m
Land above 600 m
Rochas pré-cambrianas 
indiferenciadas
Precambrian metamorphic rocks
undifferentiated
Granitóides e migmatitos
Granitoides, migmatites
Supracrustais de baixo grau 
(quartzitos, filitos e mármores)
Low grade supracrustal rocks
of the basement
(quartzites, phyllites, marble)
Escarpa modelada por erosão diferencial
em coberturas sedimentares
Escarpment shaped by differencial
erosion in sedimentary cover
Geomorfologia
Geomorphology
Escarpa e vertentes no embasamento
Escarpment and other important hillslope,
in the basement
Structural ridge (hogback...)
Inselberg, group of inselberg
Structural or sub-structural surfaces
Depression shaped in soft rocks
Planation surface
Low
High
Degraded
Exhumed
Exhumed
Fluvial terrace
Holocene 
Coberturas sedimentares 
paleozóicas,
sedimentos pre-riftes
Paleozoic sedimentary cover,
pre-rift sediments
Mesozoic sediments
Cenozoic sediments
Falha
Fault
Falha de empurrão
Fault with trow
Falha inferida
Fault, inferred
Falha de empurrão inferida
Fault with trow, inferred
Boqueirão 
Watergap
Estrutura vulcânica
volcanic structure
l l l
s s s
s ss s
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l
Litologia
Lithology
Sedimentos mesozóicos
Sedimentos cenozóicos
Crista estrutural (hogback...)
Inselberg, grupo de inselbergs
Superfície estrutural 
(plato tabular, chapada, mesa)
Depressão modelada em rochas sedimentares
Superfície de aplanação 
Baixa
Exumada
Alta
Exumada
Degradada
Superfície de
Terraço fluvial
Planície aluvial 
surface
holocênica
Accumulation 
alluvial plain
(tabular plateau)
Estrutura
Structure
acumulação 
0 10 20 30 40 50 60 70 km
41 W 40 39 38 37
3 S
4
5
6
7
oo ooo
o
o
o
o
o
Autores
Jean Pierre Peulvast
Orsayterre, CNRS, Université Paris-Sud e DEPAM, Université Paris-Sorbonne, France
e-mail: peulvast@geol.u-psud.fr
Vanda de Claudino Sales
Departamento de Geografia, Universidade Federal do Ceará
e-mail: vcs@ufc.br
Produção e concepção cartográfica
Florence Bonnaud
UFR de Géographie, Université Paris-Sorbonne, France
e-mail: florence.bonnaud@u-parisiv.fr
Materiais e métodos
Interpretação de cartas temáticas em escalas diversas, cartas topográficas da SUDENE 1:100.000, mosáicos RADAMBRASIL, 
fotografias aéreas verticais e oblíquas em escalas diversas, imagens de satélite LANDSAT, modelos numéricos de terreno, blocos
diagramas em 3D e trabalhos de campo ininterruptos entre 1996 e 2003. Carta desenhada à mão e em seguida digitalizada,
usando como base cartográfica a Carta Aeronáutica ONC-USA M-28 1:1.000.000, em projeção Lambert Cônica, paralelos 
padrão 1 20´ e 6 40´e fator de convergência 0,06979.
O presente trabalho recebeu o apoio das seguintes instituições: Universidade Federal do Ceará - UFC (Departamento de Geografia 
e Centro de Ciências), Universidade Paris-Sorbonne (DEPAM - Groupe de recherche Dynamique et Evolution des Paysages
Atlantiques et Méditerranéens), Conselho Nacional de Desenvolvimento Científico e Tecnológico - CNPq e Conseil National pour
la recherche Scientifique - CNRS (Laboratoire ORSAYTERRE, Université Paris XI, France).
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