East African coastal forest botany - Biogeography and Ecology of the Rain Forests of Eastern Africa - page 62

(335 m) Kivara
(220 m).Chonyi

Cha Simba (200 m)
Mwarakaya (130 m)

(315 m) Jibana
(210 m)-Kambe
Ribe

Pangani rocks

Arabuko-Sokoke
(part)

Mida-

Gede (10 m)

(280 m) Rabai

Gongoni
Solokero

(CR) (PL) (PN)

Mrima Hill

Jombo (47o m) Shimba Hills (450 m)

Waa (A)
Jadini (3)
Shimoni (l)

USAGARAN MASSIF
(UM) (PL) (PN)

'
Usambara (2200 m)
'

Mkulumuzi valley
Sigi valley

Mtoto-hovu
(270 m)

Tanga

limestone

Steinbruch

Amboni (30 m)

(UM) (PL) (PN)

Genda-Genda (520 m)

Ill Mwera estate (PL)
II Pande (195 m)
I Pugu Hills (305 m)

'
Uluguru (2650 m)

'
Kimboza (500 m)

(PL)
Gongolamboto

Kisiju (5 m)
(Al

] Undifferentiated -

ul Basement complex:

CAINOZOIC

USA GARAN ARROO

Duruma sandstones
(eg Shimba grits,
Mazeras sandstones,
Mariakani sandstones,
Tanga beds)

J�

2

I Cemented (basal) horizon -
l :

mostly marine sediments,

gneisses, schists etc.

�1 marbles (eg at
,

_

�

pale sandstones, etc.

and O 0

E �
..

�

-I Pugu sandstones -

forming cliffs in

P.

Kimboza,

c

·

�

Bagamoyo - Pangani area.

..

Mandambala hills)
l� VOLCANIC

·€ " · ·�

MESOZOIC
c. Bathonian limestone
(eg Kambe limestone,
Tanga limestone)
post-Bajocian shales,
sandstones etc.
(eg Kibiongoni beds)

� � Red sandstones, e.g. Magarini
('' and Mikindani beds,

(c. Miocene; filled

�3

, p·. •

with kaolin)

igneous intrusions
(eg Mrima hill,

� �
��
�j

i Pale l � l�goonal or wind-blown

+

, -
u - _
1-

�

Jombo mt.)

-

associated sediments.

E

0
3

-

.:

san s

,

!

l

�

Uplifted coral platforms

a and breccia

Figure 5.3. Idealised east-west secions showing basic patten of coastal geology. The
horizontal ais is not to scale.