SQL>  select table_name from dba_tables where tablespace_name='TBS1';

TABLE_NAME
------------------------------
TAB1

SQL> create directory dexp as '/oradata2';

Directory created.
SQL> host expdp arju/arju tablespaces=TBS1 directory=dexp

Export: Release 10.2.0.2.0 - Production on Tuesday, 29 January, 2008 9:47:30

Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
Starting "ARJU"."SYS_EXPORT_TABLESPACE_01":  arju/******** tablespaces=TBS1 directory=dexp
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 2 MB
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
. . exported "ARJU"."TAB1"                               1.363 MB   50610 rows
Master table "ARJU"."SYS_EXPORT_TABLESPACE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for ARJU.SYS_EXPORT_TABLESPACE_01 is:
  /oradata2/expdat.dmp
Job "ARJU"."SYS_EXPORT_TABLESPACE_01" successfully completed at 09:47:55
SQL>  host impdp arju/arju directory=dexp sqlfile=myfile.txt

Import: Release 10.2.0.2.0 - Production on Tuesday, 29 January, 2008 9:48:39

Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
Master table "ARJU"."SYS_SQL_FILE_FULL_01" successfully loaded/unloaded
Starting "ARJU"."SYS_SQL_FILE_FULL_01":  arju/******** directory=dexp sqlfile=myfile.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Job "ARJU"."SYS_SQL_FILE_FULL_01" successfully completed at 09:48:41


SQL> !cat /oradata2/myfile.txt
-- CONNECT ARJU
-- new object type path is: TABLE_EXPORT/TABLE/TABLE
CREATE TABLE "ARJU"."TAB1"
   (    "COL1" VARCHAR2(30)
   ) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
  PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
  TABLESPACE "TBS1" ;

select 'select dbms_metadata.get_ddl(''TABLE'','''||table_name 
||''','''||owner||''')' || 'from dual;' from dba_tables where 
tablespace_name='SYSAUX';