There's a well-written article on Indian cosmology by Richard Gombrich here:
that may be of interest to your colleague.

Best,
Dominik Wujastyk




On 14 January 2012 23:03, Jo <jkirk@spro.net> wrote:

Dear List,

 

A colleague not on this list agreed for me to post his query, sent originally to the risa-l list, on Indology.  I hope he’ll get some answers here.

 

Thanks and best wishes,

Joanna Kirkpatrick

----------------------------------------

 

> From: Joseph P. Elacqua <joseph.elacqua@gmail.com>

> 

> Hello all.

> 

> I have recently been looking into versions of the Hindu/Buddhist "map"

> of the world.  By this, I mean the description of Jambudvipa as the

> central landmass in a series of concentric islands.  I am not overly

> familiar with this schematic, but some Hindu sources I have

> encountered describe this variously as "Bhumandala" or "Bhuloka."

> While this diagram appears in the Matsya Purana (perhaps 250-500 CE),

> I am looking for references to or descriptions of this "map" in

> earlier Hindu or Buddhist sacred or secular texts.  If anyone can

> point me to an earlier reference or possibly to a study on the

> origins of this diagram (preferably in English or Japanese language),

> I would be

extremely grateful.

> 

> I also have a related, but alternate request.  In my internet

> searching, I have encountered an (un-cited) image of the Indian world

> depicted as a four-petaled lotus of which Jambudvipa is the

> southernmost petal and Mount Meru is its central blossom.  If anyone

> can point to a textual description matching this (or any remotely

> similar textual description), I would also be extremely grateful.

> 

> Thank you very much for your assistance.  My apologies if there is

> some major study on this topic that I have overlooked.

> 

> Joseph P. Elacqua

> Mohawk Valley Community College