African erosion surface: a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Boulder, Colo.
Geological Society of America
2008
|
| Schriftenreihe: | Memoir / Geological Society of America
201 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Includes bibliographical references Includes bibliographical references |
| Beschreibung: | IV, 66 S. Ill., graph. Darst., Kt. |
| ISBN: | 9780813712017 |
Internformat
MARC
| LEADER | 00000nam a2200000zcb4500 | ||
|---|---|---|---|
| 001 | BV035065815 | ||
| 003 | DE-604 | ||
| 005 | 20231016 | ||
| 007 | t | ||
| 008 | 080923s2008 xxuabd| |||| 00||| eng d | ||
| 010 | |a 2008006912 | ||
| 020 | |a 9780813712017 |c hbk. |9 978-0-8137-1201-7 | ||
| 035 | |a (OCoLC)199457065 | ||
| 035 | |a (DE-599)BVBBV035065815 | ||
| 040 | |a DE-604 |b ger |e aacr | ||
| 041 | 0 | |a eng | |
| 044 | |a xxu |c US | ||
| 049 | |a DE-703 |a DE-29 |a DE-83 |a DE-19 |a DE-188 | ||
| 050 | 0 | |a QE635 | |
| 082 | 0 | |a 556 | |
| 084 | |a RS 10250 |0 (DE-625)142457:12674 |2 rvk | ||
| 084 | |a TP 7000 |0 (DE-625)144671: |2 rvk | ||
| 100 | 1 | |a Burke, Kevin |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a African erosion surface |b a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |c by Kevin Burke ; Yanni Gunnell |
| 264 | 1 | |a Boulder, Colo. |b Geological Society of America |c 2008 | |
| 300 | |a IV, 66 S. |b Ill., graph. Darst., Kt. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Memoir / Geological Society of America |v 201 | |
| 500 | |a Includes bibliographical references | ||
| 500 | |a Includes bibliographical references | ||
| 650 | 4 | |a Geology, Structural |z Africa | |
| 650 | 4 | |a Erosion |z Africa | |
| 650 | 4 | |a Physical geography |z Africa | |
| 650 | 4 | |a Morphotectonics |z Africa | |
| 650 | 4 | |a Evolutionary paleoecology |z Africa | |
| 650 | 0 | 7 | |a Paläoklima |0 (DE-588)4288494-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Geomorphologie |0 (DE-588)4130684-3 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Bodenerosion |0 (DE-588)4007367-1 |2 gnd |9 rswk-swf |
| 651 | 4 | |a Afrika | |
| 651 | 7 | |a Afrika |0 (DE-588)4000695-5 |2 gnd |9 rswk-swf | |
| 689 | 0 | 0 | |a Afrika |0 (DE-588)4000695-5 |D g |
| 689 | 0 | 1 | |a Bodenerosion |0 (DE-588)4007367-1 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Afrika |0 (DE-588)4000695-5 |D g |
| 689 | 1 | 1 | |a Paläoklima |0 (DE-588)4288494-9 |D s |
| 689 | 1 | 2 | |a Geomorphologie |0 (DE-588)4130684-3 |D s |
| 689 | 1 | |5 DE-604 | |
| 700 | 1 | |a Gunnell, Yanni |d 1965- |e Verfasser |0 (DE-588)1146408161 |4 aut | |
| 810 | 2 | |a Geological Society of America |t Memoir |v 201 |w (DE-604)BV035915045 |9 201 | |
| 856 | 4 | 2 | |m Digitalisierung UB Bayreuth |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016734266&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-016734266 | ||
Datensatz im Suchindex
| _version_ | 1804138012108390400 |
|---|---|
| adam_text | Contents
Abstract
...................................................................................................................................................... 1
The Unique Tectonic Identity of the African Continent: Expected Effects on the History
of Its Eroding Land Surface
......................................................................................................................2
General Characteristics of the African Surface
......................................................................................6
What Is the African Surface?
............................................................................................................6
The African Surface: A Composite Surface
......................................................................................6
Tectonic Evolution of Afro-Arabia and Its Controls on the History of the African Surface
.......7
Structures That Influenced Local Relief on the African Surface during Its Evolution
.............10
The African Surface in Basins That Experienced Marine Incursions between
100
Ma and
34
Ma
............................................................................................................................11
Regional Characteristics of the African Surface
...................................................................................13
The African Surface in Its Type Area: Southern Africa
................................................................13
History of the Concept of the African Surface
...........................................................................13
Recent Interpretations of the African Surface
...........................................................................15
The African Surface in Southern Africa: A Summary
...............................................................19
West Africa: From Senegal to Cameroon
.......................................................................................20
Central Africa
....................................................................................................................................24
East Africa: The Great Swell and the Rift System
27
Northeastern Africa and Arabia
......................................................................................................29
Summary: Regional Age Brackets for the African Surface
..........................................................31
Bauxite Occurrences as Indices of the African Surface: Their Value and Limitations
.....................31
Bauxites
...
and Bauxites
..................................................................................................................31
Examples of
Orthobauxites
and
Laterites
in Afro-Arabia Inherited from the Last
Great Bauxite-Forming Interval, 70-^tO Ma
...................................................................................32
Staircases of Bauxite- and Laterite-Capped Surfaces in Their Key Area: West Africa
.............32
111
iv Contents
Bauxites in
Africa
That May Have Formed since the End of the Main Bauxite-Forming
Interval, i.e., after
40
Ma
..................................................................................................................35
Synthesis on Bauxites and
Laterites
................................................................................................36
The Imprint of Continental-Scale Paleoclimatic Variations in Afro-Arabia
......................................37
Cretaceous Times,
140-65
Ma
.........................................................................................................37
Earlier Cenozoic Times,
65-34
Ma
..................................................................................................38
Early
Oligocene
to Late Pliocene Times,
34-2.8
Ma
......................................................................39
Late Pliocene and Quaternary Times, since
2.8
Ma
......................................................................40
The African Surface in the Post-30 Ma Basin-and-Swell Reference Frame
......................................40
Burial of the African Surface in Africa s Active Continental Basins
...........................................40
Topographic Uplift of the African Surface on Africa s Swells
......................................................40
Volcanism or Absence Thereof: Its Relevance to the African Surface
......................................40
The African Surface on Africa s Swells: General Characteristics
............................................42
The Great Swell of South Africa
.................................................................................................44
Implications of the Cenozoic Swell Model for the History of the Great Escarpments at
Africa s Continental Margins
.................................................................................................................46
Long-Lived Escarpments Close to Rifted Continental Margins? A Return to the
Historical Type Area of the African Surface in Southern Africa
..................................................46
A New Perspective on the Great Escarpment of Southern Africa
................................................52
Summary and Conclusions
......................................................................................................................57
Acknowledgments
....................................................................................................................................59
References Cited
.......................................................................................................................................59
|
| adam_txt |
Contents
Abstract
. 1
The Unique Tectonic Identity of the African Continent: Expected Effects on the History
of Its Eroding Land Surface
.2
General Characteristics of the African Surface
.6
What Is the African Surface?
.6
The African Surface: A Composite Surface
.6
Tectonic Evolution of Afro-Arabia and Its Controls on the History of the African Surface
.7
Structures That Influenced Local Relief on the African Surface during Its Evolution
.10
The African Surface in Basins That Experienced Marine Incursions between
100
Ma and
34
Ma
.11
Regional Characteristics of the African Surface
.13
The African Surface in Its Type Area: Southern Africa
.13
History of the Concept of the African Surface
.13
Recent Interpretations of the African Surface
.15
The African Surface in Southern Africa: A Summary
.19
West Africa: From Senegal to Cameroon
.20
Central Africa
.24
East Africa: The Great Swell and the Rift System
27
Northeastern Africa and Arabia
.29
Summary: Regional Age Brackets for the African Surface
.31
Bauxite Occurrences as Indices of the African Surface: Their Value and Limitations
.31
Bauxites
.
and Bauxites
.31
Examples of
Orthobauxites
and
Laterites
in Afro-Arabia Inherited from the Last
Great Bauxite-Forming Interval, 70-^tO Ma
.32
Staircases of Bauxite- and Laterite-Capped Surfaces in Their Key Area: West Africa
.32
111
iv Contents
Bauxites in
Africa
That May Have Formed since the End of the Main Bauxite-Forming
Interval, i.e., after
40
Ma
.35
Synthesis on Bauxites and
Laterites
.36
The Imprint of Continental-Scale Paleoclimatic Variations in Afro-Arabia
.37
Cretaceous Times,
140-65
Ma
.37
Earlier Cenozoic Times,
65-34
Ma
.38
Early
Oligocene
to Late Pliocene Times,
34-2.8
Ma
.39
Late Pliocene and Quaternary Times, since
2.8
Ma
.40
The African Surface in the Post-30 Ma Basin-and-Swell Reference Frame
.40
Burial of the African Surface in Africa's Active Continental Basins
.40
Topographic Uplift of the African Surface on Africa's Swells
.40
Volcanism or Absence Thereof: Its Relevance to the African Surface
.40
The African Surface on Africa's Swells: General Characteristics
.42
The Great Swell of South Africa
.44
Implications of the Cenozoic Swell Model for the History of the Great Escarpments at
Africa's Continental Margins
.46
Long-Lived Escarpments Close to Rifted Continental Margins? A Return to the
Historical Type Area of the African Surface in Southern Africa
.46
A New Perspective on the Great Escarpment of Southern Africa
.52
Summary and Conclusions
.57
Acknowledgments
.59
References Cited
.59 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Burke, Kevin Gunnell, Yanni 1965- |
| author_GND | (DE-588)1146408161 |
| author_facet | Burke, Kevin Gunnell, Yanni 1965- |
| author_role | aut aut |
| author_sort | Burke, Kevin |
| author_variant | k b kb y g yg |
| building | Verbundindex |
| bvnumber | BV035065815 |
| callnumber-first | Q - Science |
| callnumber-label | QE635 |
| callnumber-raw | QE635 |
| callnumber-search | QE635 |
| callnumber-sort | QE 3635 |
| callnumber-subject | QE - Geology |
| classification_rvk | RS 10250 TP 7000 |
| ctrlnum | (OCoLC)199457065 (DE-599)BVBBV035065815 |
| dewey-full | 556 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 556 - Earth sciences of Africa |
| dewey-raw | 556 |
| dewey-search | 556 |
| dewey-sort | 3556 |
| dewey-tens | 550 - Earth sciences |
| discipline | Geologie / Paläontologie Geographie |
| discipline_str_mv | Geologie / Paläontologie Geographie |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>02433nam a2200601zcb4500</leader><controlfield tag="001">BV035065815</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20231016 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">080923s2008 xxuabd| |||| 00||| eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2008006912</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9780813712017</subfield><subfield code="c">hbk.</subfield><subfield code="9">978-0-8137-1201-7</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)199457065</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV035065815</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">aacr</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">xxu</subfield><subfield code="c">US</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-703</subfield><subfield code="a">DE-29</subfield><subfield code="a">DE-83</subfield><subfield code="a">DE-19</subfield><subfield code="a">DE-188</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">QE635</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">556</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">RS 10250</subfield><subfield code="0">(DE-625)142457:12674</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">TP 7000</subfield><subfield code="0">(DE-625)144671:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Burke, Kevin</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">African erosion surface</subfield><subfield code="b">a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years</subfield><subfield code="c">by Kevin Burke ; Yanni Gunnell</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Boulder, Colo.</subfield><subfield code="b">Geological Society of America</subfield><subfield code="c">2008</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">IV, 66 S.</subfield><subfield code="b">Ill., graph. Darst., Kt.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="1" ind2=" "><subfield code="a">Memoir / Geological Society of America</subfield><subfield code="v">201</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Geology, Structural</subfield><subfield code="z">Africa</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Erosion</subfield><subfield code="z">Africa</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Physical geography</subfield><subfield code="z">Africa</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Morphotectonics</subfield><subfield code="z">Africa</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Evolutionary paleoecology</subfield><subfield code="z">Africa</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Paläoklima</subfield><subfield code="0">(DE-588)4288494-9</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Geomorphologie</subfield><subfield code="0">(DE-588)4130684-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Bodenerosion</subfield><subfield code="0">(DE-588)4007367-1</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="651" ind1=" " ind2="4"><subfield code="a">Afrika</subfield></datafield><datafield tag="651" ind1=" " ind2="7"><subfield code="a">Afrika</subfield><subfield code="0">(DE-588)4000695-5</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Afrika</subfield><subfield code="0">(DE-588)4000695-5</subfield><subfield code="D">g</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Bodenerosion</subfield><subfield code="0">(DE-588)4007367-1</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Afrika</subfield><subfield code="0">(DE-588)4000695-5</subfield><subfield code="D">g</subfield></datafield><datafield tag="689" ind1="1" ind2="1"><subfield code="a">Paläoklima</subfield><subfield code="0">(DE-588)4288494-9</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="2"><subfield code="a">Geomorphologie</subfield><subfield code="0">(DE-588)4130684-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gunnell, Yanni</subfield><subfield code="d">1965-</subfield><subfield code="e">Verfasser</subfield><subfield code="0">(DE-588)1146408161</subfield><subfield code="4">aut</subfield></datafield><datafield tag="810" ind1="2" ind2=" "><subfield code="a">Geological Society of America</subfield><subfield code="t">Memoir</subfield><subfield code="v">201</subfield><subfield code="w">(DE-604)BV035915045</subfield><subfield code="9">201</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">Digitalisierung UB Bayreuth</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016734266&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-016734266</subfield></datafield></record></collection> |
| geographic | Afrika Afrika (DE-588)4000695-5 gnd |
| geographic_facet | Afrika |
| id | DE-604.BV035065815 |
| illustrated | Illustrated |
| index_date | 2024-07-02T22:02:15Z |
| indexdate | 2024-07-09T21:21:25Z |
| institution | BVB |
| isbn | 9780813712017 |
| language | English |
| lccn | 2008006912 |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-016734266 |
| oclc_num | 199457065 |
| open_access_boolean | |
| owner | DE-703 DE-29 DE-83 DE-19 DE-BY-UBM DE-188 |
| owner_facet | DE-703 DE-29 DE-83 DE-19 DE-BY-UBM DE-188 |
| physical | IV, 66 S. Ill., graph. Darst., Kt. |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | Geological Society of America |
| record_format | marc |
| series2 | Memoir / Geological Society of America |
| spelling | Burke, Kevin Verfasser aut African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years by Kevin Burke ; Yanni Gunnell Boulder, Colo. Geological Society of America 2008 IV, 66 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Memoir / Geological Society of America 201 Includes bibliographical references Geology, Structural Africa Erosion Africa Physical geography Africa Morphotectonics Africa Evolutionary paleoecology Africa Paläoklima (DE-588)4288494-9 gnd rswk-swf Geomorphologie (DE-588)4130684-3 gnd rswk-swf Bodenerosion (DE-588)4007367-1 gnd rswk-swf Afrika Afrika (DE-588)4000695-5 gnd rswk-swf Afrika (DE-588)4000695-5 g Bodenerosion (DE-588)4007367-1 s DE-604 Paläoklima (DE-588)4288494-9 s Geomorphologie (DE-588)4130684-3 s Gunnell, Yanni 1965- Verfasser (DE-588)1146408161 aut Geological Society of America Memoir 201 (DE-604)BV035915045 201 Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016734266&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Burke, Kevin Gunnell, Yanni 1965- African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years Geology, Structural Africa Erosion Africa Physical geography Africa Morphotectonics Africa Evolutionary paleoecology Africa Paläoklima (DE-588)4288494-9 gnd Geomorphologie (DE-588)4130684-3 gnd Bodenerosion (DE-588)4007367-1 gnd |
| subject_GND | (DE-588)4288494-9 (DE-588)4130684-3 (DE-588)4007367-1 (DE-588)4000695-5 |
| title | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |
| title_auth | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |
| title_exact_search | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |
| title_exact_search_txtP | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |
| title_full | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years by Kevin Burke ; Yanni Gunnell |
| title_fullStr | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years by Kevin Burke ; Yanni Gunnell |
| title_full_unstemmed | African erosion surface a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years by Kevin Burke ; Yanni Gunnell |
| title_short | African erosion surface |
| title_sort | african erosion surface a continental scale synthesis of geomorphology tectonics and environmental change over the past 180 million years |
| title_sub | a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years |
| topic | Geology, Structural Africa Erosion Africa Physical geography Africa Morphotectonics Africa Evolutionary paleoecology Africa Paläoklima (DE-588)4288494-9 gnd Geomorphologie (DE-588)4130684-3 gnd Bodenerosion (DE-588)4007367-1 gnd |
| topic_facet | Geology, Structural Africa Erosion Africa Physical geography Africa Morphotectonics Africa Evolutionary paleoecology Africa Paläoklima Geomorphologie Bodenerosion Afrika |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016734266&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035915045 |
| work_keys_str_mv | AT burkekevin africanerosionsurfaceacontinentalscalesynthesisofgeomorphologytectonicsandenvironmentalchangeoverthepast180millionyears AT gunnellyanni africanerosionsurfaceacontinentalscalesynthesisofgeomorphologytectonicsandenvironmentalchangeoverthepast180millionyears |