NI 43-101 Technical Report for the Kwango River Project in Africa, Congo (Brazzeville) dated April 2006 (Q32930): Difference between revisions

........................................................................ 44 6.1.3 Lower to Mid Cretaceous .......................................................

....................................................... 45 6.1.4 Upper Cretaceous ...................................................................

the broad valley cut by the Kwango River into the Cretaceous Kwango Formation conglomerates, sandstones

alluvial diamondiferous deposits of a Tertiary or upper Cretaceous age, which would extend the type of deposits

Palaeogene Stage Leopoldvillian Upper Kalahari Lower Kalahari Upper Cretaceous Middle Cretaceous Kwango

Kalahari Upper Cretaceous Middle Cretaceous Kwango Series Kamina Series Bokungu

with marine incursions and a lagoonal margin. Lower Cretaceous Loia Stage Lacustrine Upper Jurassic

Incorporated Kwango River Technical Report 6.1.3 Lower to Mid Cretaceous Lacustrine and fluvial sedimentation

within the Interior Congo Basin throughout the Early Cretaceous period. The sediments

throughout the Early Cretaceous period. The sediments are represented by the Loia

represented by the Loia Stage, which passes into the Upper Cretaceous (Kamina Series), which form a series

brought the diamonds to the surface. 6.1.4 Upper Cretaceous The Upper Cretaceous

surface. 6.1.4 Upper Cretaceous The Upper Cretaceous (Cenomanian) deposits are deposited unconformably

under the hot and humid palaeoclimates of the Late Cretaceous and Mid Tertiary pedogenic stages. 6.1.7

the whole do not appear to reflect the presence of Cretaceous Kwango Formation deposits in the area. 7.

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Jurassic Period

Triassic..................................................................................... 44 6.1.2 Upper Jurassic ........................................................................

margin. Lower Cretaceous Loia Stage Lacustrine Upper Jurassic Triassic Lualaba Series Stanleyville

with red, green or white sandstone. 6.1.2 Upper Jurassic Lower Jurassic sequences

sandstone. 6.1.2 Upper Jurassic Lower Jurassic sequences are absent in the interior Congo

interior Congo Basin. Sequences assigned to the Upper Jurassic are described as the Lualaba Series, which

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Triassic Period

....................................................... 43 6.1.1 Triassic.....................................................................................

Cretaceous Loia Stage Lacustrine Upper Jurassic Triassic Lualaba Series Stanleyville Stage Lacustrine

Series Stanleyville Stage Lacustrine Red beds 6.1.1 Triassic Although no undisputed Triassic

Triassic Although no undisputed Triassic sediments are known, red beds in various

known, red beds in various regions are assigned to the Triassic e.g. the Lukuga Red Beds, which form an

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Neogene Period

.............................................................................. 45 6.1.6 Neogene ...................................................................................

In South-Western DRC Geological Period Quaternary Neogene Miocene erosion Palaeogene Stage Leopoldvillian

peneplanation phase. 6.1.5 Palaeogene The Palaeogene and Neogene are represented by the Kalahari system,

alternate with small freshwater lakes and marshes. 6.1.6 Neogene The Upper Kalahari System, or the ‘serie

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Quaternary Period

................................................................................... 46 6.1.7 Quaternary ...............................................................................

Kwango Formation is generally covered by younger Quaternary age sediments of the barren Kalahari

Mention is made of the occurrence of diamonds in Quaternary deposits at a location due west of Tembo

Sequence In South-Western DRC Geological Period Quaternary Neogene Miocene erosion Palaeogene Stage Leopoldvillian

Cretaceous and Mid Tertiary pedogenic stages. 6.1.7 Quaternary Throughout the Quaternary

stages. 6.1.7 Quaternary Throughout the Quaternary period, the major

Quaternary Throughout the Quaternary period, the major climatic changes and eustatic

river terracing. The material laid down during the Quaternary period is of DDA

laid down during the Quaternary period is of DDA CONSULTING SERVICES 46 30 April

with silty to clayey sand, and interpreted to be Quaternary Kalahari Formation fluvial sediments

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addresses place

Republic of the Congo

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data source

GeoArchive Collection of National Instrument 43-101 Technical Reports

reference statement

Linkage to this mine was established with a simple name match from imperfect metadata identifying the geographic area of the mining project

GDDID

620c091cad0e9c819b01fa99

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P97 (Deleted Property)

4530692:FHZSHJ79 Property P97 not found, cannot determine the data type to use.

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