KWAME NKRUMAH UNIVERSITY OF SCIENCE AND
TECHNOLOGY
KUMASI, GHANA
COLLEGE OF ENGINEERING
DEPARTMENT OF CIVIL ENGINEERING
CE 259: ENGINEERING GEOLOGY
A BRIEF GEOLOGY OF MAMPONG AREA
GROUP 15
SUBMITTED TO: V. K. A. ACQUAAH
17th MARCH, 2025
GROUP 15 MEMBERS
NAME (POSITION)
INDEX NUMBER
Smith Michael Yoofi (Leader)
7142523
Raphael Stephanie (Secretary)
7141523
Marvellous Mayaya
7137823
Edward Gyamfi
7135723
Ohene-Gyan Gideon
7139223
Godson-Amamoo Jeremiah Nii Ayitey
7135323
Adok Nambont Sundey
7123623
Boateng Frimpong Derrick
7131723
Abdul-Rahaman Kayaba
7121723
Barawusu Jessica Emefa
7129923
Chief Adu-Twum Buamah
7132123
Shiraz Aisheitu Jimli
1716622
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PACING OF GROUP 15 MEMBERS
NAME (POSITION)
DISTANCE PER STEP (m)
Smith Michael Yoofi (Leader)
0.6882
Raphael Stephanie (Secretary)
0.6921
Marvellous Mayaya
0.7000
Edward Gyamfi
0.6450
Ohene-Gyan Gideon
0.6667
Godson-Amamoo Jeremiah Nii Ayitey
0.6750
Adok Nambont Sundey
0.6000
Boateng Frimpong Derrick
0.6667
Abdul-Rahaman Kayaba
0.5200
Barawusu Jessica Emefa
0.5400
Chief Adu-Twum Buamah
0.6403
Shiraz Aisheitu Jimli
0.6297
ii
1.0 Introduction
Ashanti Mampong is a prominent town located in the Ashanti Region of Ghana. It is well-known
for its cultural significance and unique landscape dominated by hills and ridges. The Mampong
Hill area is part of the forest-savannah transitional zone of Ghana, where hilly terrain creates a
scenic environment with rich natural resources (see Plate 1). This report focuses on the
geological and physical characteristics of the Mampong Hill area, providing insight into its
formation, composition, and significance.
Plate 1. The greeny hills of Asante Mampong
2.0 Location and Topography
Ashanti Mampong is located approximately 60 km northeast of Kumasi, the regional capital of
the Ashanti Region. The Mampong Hills form part of a series of ridges and hills that stretch
across central Ghana. The elevation of Mampong Hill ranges between 400 and 600 meters above
sea level, offering a cooler climate compared to the surrounding lowlands. The terrain is
characterized by undulating hills, gentle slopes, and small valleys, making the area suitable for
agriculture and settlement.
3.0 Geological Setting
Grasping the geological context of the Mampong Hill region sheds light on the forces that have
moulded its present-day topography. The hills belong to Ghana's ancient Birrimian rock
formation, which originated more than two billion years ago and consists of rocks that have
experienced considerable deformation and weathering. This section examines the varieties of
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rocks present in the area, their history of formation, and the natural resources linked to them,
providing a look into the ancient geological history of the Mampong area.
3.1 Rock Types and Formation
The Mampong Hill area is underlain predominantly by Precambrian basement rocks, mainly
composed of Birrimian formations. These formations are typically metasedimentary and
metavolcanic rocks, including phyllites, schists, quartzites, and greywackes. The area also
contains minor intrusions of granitoid rocks, which are common in the Ashanti Region.
The Birrimian rocks were formed over 2 billion years ago, during the Paleoproterozoic era, and
are part of the larger West African Craton. These rocks have been subjected to multiple episodes
of deformation, folding, and faulting, creating the hilly and rugged landscape seen today.
3.2 Mineral Resources
Although Mampong is not a major mining centre, the broader Ashanti region is rich in gold
deposits, much of which is associated with the Birrimian rocks. Small-scale gold panning
sometimes occurs along nearby rivers and streams, although not at significant levels in
Mampong itself. Additionally, lateritic soils derived from the weathering of these rocks are
abundant and are used for construction materials like bricks.
4.0 Soil and Vegetation
The soils in the Mampong Hill area are mostly lateritic, developed from the intense weathering
of the underlying rocks in a tropical climate. These soils are typically red to brown in colour, and
rich in iron and aluminium oxides. Though moderately fertile, they require careful management
for sustainable agriculture.
Vegetation in the area is semi-deciduous forest, though human activities like farming and
settlement have modified much of the original forest cover. Remnant forest patches can still be
found on steeper slopes and less accessible parts of the hills.
5.0 Hydrology and Drainage
The hilly landscape of Mampong facilitates the formation of numerous small streams and rivers,
many of which are tributaries to larger river systems like the Offin and Oda Rivers. These
streams contribute to local water supply and irrigation. The hills act as watersheds, collecting
rainfall and directing water flow toward the lowlands.
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6.0 Significance of Mampong Hills
The Mampong Hills are a remarkable aspect of the Ashanti landscape and significantly impact
the socio-economic and cultural dynamics of the local population. In addition to their visual
appeal, these hills affect agriculture, water availability, and cultural traditions. This section
emphasises how the Mampong Hills support the livelihoods of local communities, their cultural
heritage, and the balance of the environment.
6.1 Agricultural Importance
The Mampong Hill area supports diverse agricultural activities, including the cultivation of
cocoa, plantain, cassava, and vegetables. The elevation and cooler climate are favourable for
certain crops that do not thrive in hotter lowlands.
6.2 Cultural and Historical Importance
Mampong holds significant historical importance in the Ashanti Kingdom as a traditional centre
of leadership. The hills and natural landscape contribute to cultural identity, traditional practices,
and local festivals.
6.3 Environmental Considerations
The steep slopes of Mampong Hills are vulnerable to soil erosion if not properly managed.
Deforestation and unsustainable farming practices have led to some degradation, emphasizing
the need for soil conservation measures such as contour farming and agroforestry.
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CONCLUSION
The Ashanti Mampong Hill area presents a unique geological and geographical landscape shaped
by ancient Precambrian rocks and modified by natural and human processes. Its geological
foundation of Birrimian rocks gives rise to lateritic soils that support agriculture and settlement.
Despite its relatively small size, Mampong Hills contributes significantly to the region’s
environment, culture, and economy. Sustainable management is necessary to preserve its natural
resources for future generations.
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REFERENCES
1.
2.
3.
Kesse, G. O. (1985). The Mineral and Rock Resources of Ghana.
Junner, N. R. (1940). Geology of the Gold Coat and Western Togoland. Bull. Gold Coast
Geol. Surv., 11, 40.
Dickson, K. B., & Benneh, G. (2004). A New Geography of Ghana.
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